adjective

ruthless

ruthless [adjective]

not thinking or worrying about any pain caused to others; cruel

US /ˈruːθ.ləs.li/ 
UK /ˈruːθ.ləs.li/ 

بی رحمانه، ظالم

مثال: 

Some people believe that to succeed in this world you have to be ruthless.

Longman Dictionary of Contemporary English

ruthless

ruthless /ˈruːθləs/ BrE AmE adjective
[Date: 1300-1400; Origin: ruth 'pity' (12-19 centuries), from rue]
1. so determined to get what you want that you do not care if you have to hurt other people in order to do it:
a ruthless dictator
They have shown a ruthless disregard for basic human rights.
2. determined and firm when making unpleasant decisions:
He ran the company with ruthless efficiency.
Throw away clothes you don’t wear – be ruthless.
—ruthlessly adverb:
The uprising was ruthlessly suppressed.
—ruthlessness noun [uncountable]
• • •
THESAURUS
determined if you are determined to do something, you have decided that you are definitely going to do it, and you will not let anything stop you. Determined is also used about someone’s character, when they usually behave in this way: I was determined to be a doctor. | She’s a very determined woman.
stubborn determined not to change what you are doing, especially when other people think you are behaving in an unreasonable way. Stubborn is often used when you disapprove of someone. It is also sometimes used when you admire them: I wish you would stop being so stubborn! | Churchill’s stubborn refusal to surrender
single-minded someone who is single-minded works very hard in order to achieve one particular thing, and thinks that everything else is much less important: During a war, a leader must be single-minded and, if necessary, ruthless. | her single-minded pursuit of power
tough /tʌf/ determined to succeed, even if a situation is difficult or frightening: In competitive sports, it is as important to be mentally tough as it is to be physically fit. | Gorelick is known as a tough manager.
firm showing by your behaviour that you are determined not to change your mind, especially when you are telling someone what to do: What this country needs is firm leadership. | You have to be firm with young children.
feisty determined and full of energy, and not afraid to say what you think and argue with people - used especially when you admire this person. Feisty is often used about women: In the film she plays a feisty young woman who is smarter than all the men put together. | a feisty kid with a mind of his own | the city’s feisty mayor
headstrong determined to do what you want, without listening to other people’s advice or thinking about the results of your actions - used especially about young people: Her sister was headstrong and impulsive, and made a point of going out whenever and wherever she liked.
resolute formal doing something in a very determined way because you have very strong beliefs, aims etc: the soldiers’ resolute defence of the town
tenacious formal determined and refusing to give up: McTaggart was seen by many in the environment movement as a tenacious hero. | his tenacious grip on power
dogged [only before noun] dogged behaviour shows that you are very determined and that you will not give up - used especially in the following phrases: dogged determination/persistence/resistance/refusal: The team played with dogged determination. | his dogged refusal to admit defeat | the dogged persistence of the defenders
persistent continuing to do something, although this is difficult, or other people warn you not to do it: If you want to get a job, you have to be persistent. Don’t give up.
strong-willed always very determined to do what you want to do, even if other people think it is not a good idea to do it: She has always been a strong-willed child.
ruthless /ˈruːθləs/ someone who is ruthless is so determined to get what they want, that they do not care if they harm other people: a ruthless dictator | He was ruthless in his ambition.
mean business to be determined to do something and show other people that you are determined to do it, even if it involves harming someone: The one-day strike proved that the union meant business.

Oxford Advanced Learner's Dictionary

ruthless

ruth·less   [ˈruːθləs]    [ˈruːθləs]  adjective (disapproving)
(of people or their behaviour) hard and cruel; determined to get what you want and not caring if you hurt other people
a ruthless dictator
The way she behaved towards him was utterly ruthless.
He has a ruthless determination to succeed.
We'll have to be ruthless if we want to make this company more efficient.
Derived Words: ruthlessly  ruthlessness  
Word Origin:
Middle English: from ruth ‘feeling of pity, distress or grief’ + -less.  
Thesaurus:
ruthless [ruthless ruthlessly ruthlessness] adj. (usually disapproving)
He's a violent, ruthless man who will stop at nothing.
cruelhardcallousheartlesscoldbloodedbrutal|especially written merciless
Opp: merciful, Opp: compassionate
a ruthless/cruel/hard/callous/heartless man/woman
a ruthless/coldblooded/merciless attack  
Example Bank:
She was pretty ruthless about sacking people.
He's a violent, ruthless man who will stop at nothing.
Like all great survivors, she has a ruthless streak.
She was ruthless about chucking out weaklings.
• The way she behaved to him was utterly ruthless.

• We'll have to be ruthless if we want to make this company more efficient.

Cambridge Advanced Learner's Dictionary

ruthless / ˈruːθ.ləs / adjective

C2 not thinking or worrying about any pain caused to others; cruel:

ruthless ambition

a ruthless dictator

Some people believe that to succeed in this world you have to be ruthless.

 

ruthlessly / -li / adverb

She ruthlessly pursued her ambition, letting nothing get in her way.

 

ruthlessness / -nəs / noun [ U ]

Collins COBUILD Advanced Learner’s English Dictionary

ruthless

[ru͟ːθləs]
 1) ADJ-GRADED: oft ADJ in n (disapproval) If you say that someone is ruthless, you mean that you disapprove of them because they are very harsh or cruel, and will do anything that is necessary to achieve what they want.
  The President was ruthless in dealing with any hint of internal political dissent.
  ...an invasion by a ruthless totalitarian power...
  The late newspaper tycoon is condemned for his ruthless treatment of employees.
  Syn:
  merciless, callous
  Derived words:
  ruthlessly ADV-GRADED ADV with v The Party has ruthlessly crushed any sign of organised opposition.
  ruthlessness N-UNCOUNT ...a powerful political figure with a reputation for ruthlessness.
 2) ADJ-GRADED: oft ADJ in n A ruthless action or activity is done forcefully and thoroughly, without much concern for its effects on other people.
  Her lawyers have been ruthless in thrashing out a divorce settlement...
  Successfully merging two banks requires a fast and ruthless attack on costs.
  Derived words:
  ruthlessly ADV-GRADED Ghislaine showed signs of turning into the ruthlessly efficient woman her father wanted her to be.
  ruthlessness N-UNCOUNT ...a woman with a brain and business acumen and a certain healthy ruthlessness.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

ruthless

ruth·less /ˈruːɵləs/ adj [more ~; most ~] : having no pity : cruel or merciless
• a ruthless killer
• The journalist was ruthless in his criticism.
- ruth·less·ly adv
• The slaves were ruthlessly abused by their owners.
- ruth·less·ness noun [noncount]

sacred

sacred [adjective]

considered to be holy and deserving respect, especially because of a connection with a god

US /ˈseɪ.krɪd/ 
UK /ˈseɪ.krɪd/ 

مقدس

مثال: 

This area is sacred to the Apaches.

Oxford Essential Dictionary

sacred

 adjective
with a special religious meaning:
A church is a sacred building.

Longman Dictionary of Contemporary English

sacred

sacred /ˈseɪkrəd, ˈseɪkrɪd/ adjective
[Date: 1300-1400; Origin: Past participle of sacre 'to make holy' (13-17 centuries), from Old French sacrer, from Latin sacrare, from sacer 'holy']
1. relating to a god or religion:
a sacred vow
the miraculous powers of sacred relics
Certain animals were considered sacred.
sacred to
The land is sacred to these tribesmen.
2. very important or greatly respected:
Human life is sacred.
Frontiers which have held for over forty years are no longer sacred.
sacred to
Few things were sacred to Henry, but local history was one of them.
He had no respect for everything I held sacred.
3. is nothing sacred? spoken used to express shock when something you think is valuable or important is being changed or harmed

Oxford Advanced Learner's Dictionary

sacred

sac·red   [ˈseɪkrɪd]    [ˈseɪkrɪd]  adjective
1. connected with God or a god; considered to be holy
a sacred image/shrine/temple
• sacred music

• Cows are sacred to Hindus.

2. very important and treated with great respect
Syn:  sacrosanct
Human life must always be sacred.
For journalists nothing is sacred (= they write about anything).
Some companies offer five-year plans but there is nothing sacred about this length of time (= it can be changed).
Derived Word: sacredness  
Word Origin:
[sacred sacredness] late Middle English: past participle of archaic sacre ‘consecrate’, from Old French sacrer, from Latin sacrare, from sacer, sacr- ‘holy’.  
Example Bank:
The place was sacred to the Apaches.
• the feeling that all life should be held sacred

• a sacred image/grove

Cambridge Advanced Learner's Dictionary

sacred / ˈseɪ.krɪd / adjective

C1 considered to be holy and deserving respect, especially because of a connection with a god:

sacred relics/temples

This area is sacred to the Apaches.

C1 connected with religion:

sacred music/writings

C2 considered too important to be changed:

His daily routine is absolutely sacred to him.

humorous The cricketers wore blue, not their usual white - is nothing sacred?

 

sacredness / -nəs / noun [ U ]

Collins COBUILD Advanced Learner’s English Dictionary

sacred

[se͟ɪkrɪd]
 1) ADJ-GRADED Something that is sacred is believed to be holy and to have a special connection with God.
  The owl is sacred for many Californian Indian people.
  ...shrines and sacred places.
  Ant:
  profane, secular
  Derived words:
  sacredness N-UNCOUNT oft the N of n ...the sacredness of the site.
 2) ADJ: ADJ n Something connected with religion or used in religious ceremonies is described as sacred.
  ...sacred art.
  ...sacred songs or music.
 3) ADJ-GRADED You can describe something as sacred when it is regarded as too important to be changed or interfered with.
  My memories are sacred...
  He said the unity of the country was sacred.
  Syn:
  sacrosanct
  Derived words:
  sacredness N-UNCOUNT ...the sacredness of his given word.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

sacred

Function: adjective

1
Synonyms: HOLY 1, blessed, consecrated, hallowed, sanctified, unprofane
Related Words: sacramental; angelic, godly, saintly; cherished
Contrasted Words: lay, secular, temporal; earthly; unhallowed
Antonyms: profane
2 dedicated to or hallowed by association with a deity <sacred songs> 
Synonyms: numinous, spiritual; compare  HOLY 1 
Related Words: hallowed, sanctified
3 protected (as by law, custom, or human respect) against abuse <a fund sacred to charity> 
Synonyms: inviolable, inviolate, sacrosanct
Related Words: defended, guarded, protected, shielded; immune, untouchable

divorced

divorced [adjective] (people)

married in the past but not now married

US /dɪˈvɔːrst/ 
UK /dɪˈvɔːst/ 

متارکه کزده، طلاق گرفته

مثال: 

They got divorced after only six months of marriage.

Longman Dictionary of Contemporary English

divorced

divorced /dəˈvɔːst, dɪˈvɔːst $ -ɔːrst/ adjective
[Word Family: noun: divorcé, divorcee; verb: divorce; adjective: divorced]
1. no longer married to your wife or husband:
Are you married, single, or divorced?
a divorced woman
divorced from
Anne is divorced from Simon’s father.
My parents are getting divorced.
2. separate from and not connected in any way to an idea, subject etc
divorced from
His ideas are completely divorced from reality.

THESAURUS

married having a husband or wife: How long have you been married? | a married couple
single not married: Chris is 45 and still single. | single mothers
engaged having formally agreed to marry someone in the future: Jane and Pete have just got engaged. | engaged couples
live together to share a home and have a sexual relationship, but not be married: More and more couples are choosing to live together rather than get married.
separated no longer living with your husband or wife because of problems in your marriage: I think Joan and Brian are separated now.
divorced no longer married because you have legally ended your marriage: My parents got divorced when I was 10. | divorced men
widowed no longer married because your husband or wife has died: He’s a widowed father of two.

Oxford Advanced Learner's Dictionary

divorced

di·vorced   [dɪˈvɔːst]    [dɪˈvɔːrst]  adjective
1. no longer married
Many divorced men remarry and have second families.
• My parents are divorced.

• Are they going to get divorced?

2. ~ from sth (formal) appearing not to be affected by sth; separate from sth
He seems completely divorced from reality.  
Thesaurus:
divorced [divorced] adj.
My parents are divorced.
separated|formal estranged
Opp: married
be divorced/separated/estranged from sb
a divorced/separated man/woman/parent/mother/father/couple  
Collocations:
Marriage and divorce
Romance
fall/be (madly/deeply/hopelessly) in love (with sb)
be/believe in/fall in love at first sight
be/find true love/the love of your life
suffer (from) (the pains/pangs of) unrequited love
have/feel/show/express great/deep/genuine affection for sb/sth
meet/marry your husband/wife/partner/fiancé/fiancée/boyfriend/girlfriend
have/go on a (blind) date
be going out with/ (especially NAmE) dating a guy/girl/boy/man/woman
move in with/live with your boyfriend/girlfriend/partner
Weddings
get/be engaged/married/divorced
arrange/plan a wedding
have a big wedding/a honeymoon/a happy marriage
have/enter into an arranged marriage
call off/cancel/postpone your wedding
invite sb to/go to/attend a wedding/a wedding ceremony/a wedding reception
conduct/perform a wedding ceremony
exchange rings/wedding vows/marriage vows
congratulate/toast/raise a glass to the happy couple
be/go on honeymoon (with your wife/husband)
celebrate your first (wedding) anniversary
Separation and divorce
be unfaithful to/ (informal) cheat on your husband/wife/partner/fiancé/fiancée/boyfriend/girlfriend
have an affair (with sb)
break off/end an engagement/a relationship
break up with/split up with/ (informal) dump your boyfriend/girlfriend
separate from/be separated from/leave/divorce your husband/wife
annul/dissolve a marriage
apply for/ask for/go through/get a divorce
get/gain/be awarded/have/lose custody of the children
pay alimony/child support (to your ex-wife/husband) 
Example Bank:

• Many divorced people remarry and have second families.

Cambridge Advanced Learner's Dictionary

divorced / dɪˈvɔːst /   / -ˈvɔːrst / adjective (PEOPLE)

B1 married in the past but not now married:

She's divorced.

They got divorced after only six months of marriage.

Collins COBUILD Advanced Learner’s English Dictionary

divorced

[dɪvɔ͟ː(r)st]
 1) ADJ: oft ADJ from n Someone who is divorced from their former husband or wife has separated from them and is no longer legally married to them.
  Princess Margaret is divorced from Lord Snowdon...
  He is divorced, with a young son.
 2) ADJ-GRADED: v-link ADJ from n If you say that one thing is divorced from another, you mean that the two things are very different and separate from each other.
  ...speculative theories divorced from political reality.
  Syn:
  unconnected
 3) ADJ-GRADED: v-link ADJ from n If you say that someone is divorced from a situation, you mean that they act as if they are not affected by it in any way.
  This just shows how divorced from reality she's become.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

divorce

2divorce verb -vorces; -vorced; -vorc·ing
1 : to legally end your marriage with (your husband or wife)

[+ obj]

• After years of unhappiness, she decided to divorce him.

[no obj]

• They both agreed it was best to divorce.
2 [+ obj] formal : to make or keep (something) separate
• Their constitution divorces church and state.
- often + from
• The organization hasn't yet fully divorced itself from its troubled past.
- divorced adj
• They're getting divorced.
• He's been divorced since 2003.
• a divorced man = a man who is divorced
• a theory that is completely divorced from reality [=a wrong theory that shows no connection to reality]

single

single [adjective] (NOT MARRIED)

not married, or not having a romantic relationship with someone

US /ˈsɪŋ.ɡəl/ 
UK /ˈsɪŋ.ɡəl/ 

مجرد

مثال: 

He's been single for so long now, I don't think he'll ever marry.

Oxford Essential Dictionary

 adjective

1 only one:
He gave her a single red rose.

2 a word that makes 'every' stronger:
You answered every single question correctly.

3 not married:
Are you married or single?

4 for one person:
I would like to book a single room, please.
a single bed
Look at double.

5 (British) for a journey to a place, but not back again:
How much is a single ticket to London, please?
Look at return.

Oxford Advanced Learner's Dictionary

adjective

 

ONE
1. only before noun only one
He sent her a single red rose.
a single-sex school (= for boys only or for girls only)
All these jobs can now be done by one single machine.
I couldn't understand a single word she said!
the European single currency, the euro

(BrE) a single honours degree (= for which you study only one subject)  

 

FOR EMPHASIS

2. only before noun used to emphasize that you are referring to one particular person or thing on its own
• Unemployment is the single most important factor in the growing crime rates.

• We eat rice every single day.  

 

NOT MARRIED

3. (of a person) not married or having a romantic relationship with sb
The apartments are ideal for single people living alone.
• Are you still single?

see also  single parent  

 

FOR ONE PERSON

4. only before noun intended to be used by only one person
a single bed/room
a single sheet (= large enough for a single bed)

compare  double  adj. (3

 

TICKET

5. only before noun (BrE) (also one-way NAmE, BrE) a single ticket, etc. can be used for travelling to a place but not back again
a single ticket
How much is the single fare to Glasgow?
compare  return  n. (7)
see (in) Indian/single file at  file  n., at a (single) glance at  glance  n.  
Word Origin:
Middle English: via Old French from Latin singulus, related to simplus ‘simple’.  
Thesaurus:
single adj.
1. only before noun
What is the single most important factor here?
individualparticularspecificseparatedistinct
a/an single/individual/particular/specific/separate/distinct category/region
a single/particular/specific/separate event/incident/occasion
a single/particular/specific/distinct objective/purpose
2.
The apartments are ideal for single people living alone.
unmarrieddivorcedwidowedseparated|especially BrE, especially written lone
Opp: married
a single/unmarried/divorced/widowed/separated/lone man/woman/parent/mother/father  
Example Bank:
Marriage breakdown is common and there are a large number of single-parent families.
Unemployment is the single most important factor in the rising crime rates.
• We eat rice every single day.

Derived: single somebody out 

 

Cambridge Advanced Learner's Dictionary

single / ˈsɪŋ.ɡl̩ / adjective (NOT MARRIED)

A2 not married, or not having a romantic relationship with someone:

a single woman/man/person

He's been single for so long now, I don't think he'll ever marry.

The number of single-parent families dependent on the state has risen enormously in recent years.

 

 

single / ˈsɪŋ.ɡl̩ / adjective [ before noun ] (ONE)

B2 one only:

He knocked his opponent down with a single blow.

Not a single person offered to help her.

You haven't been listening to a single word I've been saying.

→  Compare double adjective

 

single / ˈsɪŋ.ɡl̩ / adjective [ before noun ] (SEPARATE)

B1 considered on its own and separate from other things:

Patience is the single most important quality needed for this job.

She lost every single thing when her house burned down.

 

Collins COBUILD Advanced Learner’s English Dictionary

single

[sɪ̱ŋg(ə)l]
 
 singles, singling, singled
 1) ADJ: ADJ n (emphasis) You use single to emphasize that you are referring to one thing, and no more than one thing.
  A single shot rang out...
  Over six hundred people were wounded in a single day...
  She hadn't uttered a single word.
 2) ADJ: det ADJ (emphasis) You use single to indicate that you are considering something on its own and separately from other things like it.
  Every single house in town had been damaged...
  The Middle East is the world's single most important source of oil.
 3) ADJ Someone who is single is not married. You can also use single to describe someone who does not have a girlfriend or boyfriend.
  Is it difficult being a single mother?...
  I now have to face the rest of my life as a single person...
  Gay men are now eligible to become foster parents whether they are single or have partners.
 4) ADJ: usu ADJ n A single room is a room intended for one person to stay or live in.
  A single room at the Astir Hotel costs ₤56 a night.
 N-COUNT
 Single is also a noun. It's ₤65 for a single, ₤98 for a double and ₤120 for an entire suite.
 5) ADJ: ADJ n A single bed is wide enough for one person to sleep in.
 6) ADJ: usu ADJ n A single ticket is a ticket for a journey from one place to another but not back again. [BRIT]
  The price of a single ticket is thirty-nine pounds.
  Ant:
  return
 N-COUNT
 Single is also a noun. ...a Club Class single to Los Angeles. (in AM, use one-way)
 7) N-COUNT A single is a small record which has one short song on each side. You can also refer to the main song on a small record as a single.
  Kids today don't buy singles...
  The collection includes all the band's British and American hit singles.
 8) N-UNCOUNT Singles is a game of tennis or badminton in which one player plays another. The plural singles can be used to refer to one or more of these matches.
  Boris Becker of West Germany won the men's singles...
  She is equally at home on the singles or doubles court.
  Ant:
  doubles
 9) N-COUNT In cricket, a single is a hit from which one run is scored. In baseball, a single is a hit by which a batter reaches first base.
 10) → See also single-
 in single filesee file
  Phrasal Verbs:
  - single out

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

1sin·gle /ˈsɪŋgəl/ adj
1 always used before a noun : not having or including another : only one
• They lost by a single point. [=they lost by one point]
• A single shoe was found.
• It costs $10 for a single glass of wine!
• a single serving of carrots
• He earns $2,000 in a single week.
• There is a single [=uniform] standard for men and women.
- sometimes used to emphasize the largeness or importance of something
• The fingerprint turned out to be the single most important piece of evidence.
• Tobacco is the single greatest/largest/biggest industry in the state.
• Drunk driving is the greatest/largest/biggest single killer of high school students.
- sometimes used in negative statements to emphasize that there is a complete lack of something
• Not a single cookie was left.
• Not a single sound was heard.
• I could not hear a single word of what he said.
• We didn't get a single reply.
2 : not married or not having a serious romantic relationship with someone
• a club for single [=unattached, unmarried] people
• Are you single?
• a single parent/mother/father [=a mother or father who takes care of a child alone]
3
- used for emphasis after words like any, each, every, etc.
• He has more home runs than any other single player. [=than any other player]
• These laws apply to each single citizen.
• I drink milk every single day.
• She can't watch him every single minute.
4 always used before a noun : made for one person to use
• I stayed in a single room.
• I slept in a single bed. [=(US) twin bed]
5 Brit : one-way
• a single ticket
• How much is the single fare?

worst

worst [adjective]

superlative of bad adjective : of the lowest quality, or the most unpleasant, difficult, or severe:

US /wɝːst/ 
UK /wɜːst/ 

بدترین

مثال: 

That was the worst meal I've ever eaten.

Oxford Essential Dictionary

 adjective, adverb (bad, worse, worst)
the least pleasant or suitable; the least well:
He's the worst player in the team!
That was the worst day of my life.
Everyone played badly, but I played worst of all.
 opposite best

Longman Dictionary of Contemporary English

worst

I. worst1 /wɜːst $ wɜːrst/ BrE AmE adjective [the superlative of bad]
[Language: Old English; Origin: wierresta, wyrsta]
1. [only before noun] worse than anything or anyone else ⇨ best:
This is the worst recession for fifty years.
My worst fear was that we would run out of food.
What is the worst possible thing that can happen?
2. be your own worst enemy to cause a lot of problems for yourself because of your own behaviour
3. come off worst to lose a fight or argument

Oxford Advanced Learner's Dictionary

worst

worst [worst worsts worsted worsting] adjective, adverb, noun, verb   [wɜːst]    [wɜːrst] 

 

adjective (superlative of bad)
of the poorest quality or lowest standard; worse than any other person or thing of a similar kind
It was by far the worst speech he had ever made.
What's the worst thing that could happen?
What she said confirmed my worst fears (= proved they were right).  
Word Origin:
Old English wierresta, wyrresta (adjective), wierst, wyrst (adverb), of Germanic origin; related to worse.

Idioms: at worst  bring out the worst in somebody  come off worst  do your worst  get the worst of it  if the worst comes to the worst  worst of all worlds  your own worst enemy 

Cambridge Advanced Learner's Dictionary

worst / wɜːst /   / wɝːst / adjective

A2 superlative of bad adjective : of the lowest quality, or the most unpleasant, difficult, or severe:

That was the worst meal I've ever eaten.

"It was the worst moment of my life," she admitted.

He is my worst enemy .

Collins COBUILD Advanced Learner’s English Dictionary

worst

[wɜ͟ː(r)st]
 1) Worst is the superlative of bad.
 2) Worst is the superlative of badly.
 3) N-SING: the N, oft N of n The worst is the most unpleasant or unfavourable thing that could happen or does happen.
  Though mine safety has much improved, miners' families still fear the worst...
  The country had come through the worst of the recession.
  Ant:
  best
 4) Worst is used to form the superlative of compound adjectives beginning with `bad' and `badly'. For example, the superlative of `badly-affected' is `worst-affected'.
 5) PHRASE: PHR with cl You say worst of all to indicate that what you are about to mention is the most unpleasant or has the most disadvantages out of all the things you are mentioning.
  The people most closely affected are the passengers who were injured and, worst of all, those who lost relatives.
 6) PHRASE: PHR with cl/group You use at worst or at the worst to indicate that you are mentioning the worst thing that might happen in a situation.
  At best Nella would be an invalid; at worst she would die...
  At the worst he would be there by the following night.
 7) PHRASE: n PHR, PHR after v, v-link PHR When someone is at their worst, they are as unpleasant, bad, or unsuccessful as it is possible for them to be.
  This was their mother at her worst. Her voice was strident, she was ready to be angry at anyone.
 8) PHRASE: V inflects, PHR with cl You use if the worst comes to the worst to say what you might do if a situation develops in the most unfavourable way possible. The form if worst comes to worst is also used, mainly in American English.
  If the worst comes to the worst I guess I can always ring Jean...
  He was asked whether he would walk out if the worst came to the worst.
 9) PHRASE: V inflects If someone does their worst, they do everything unpleasant that they can possibly do. You can say `do your worst' to show someone that you are not frightened of what they may do.
  I think it was dangerous to say: look, we've got an army now - do your worst.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

1worst /ˈwɚst/ adj superlative form of 1bad
1 a : worse than all others
• This is the worst car I've ever bought.
• In my opinion, it's her worst book.
• It was the worst movie I've ever seen.
• His worst quality is his impatience.
• This has got to be the worst day of my life.
• The worst part of working there is the long commute.
• My worst fears came true.
• I am my own worst critic. [=I criticize my work more harshly than anyone else]
• He lives in the worst area of the city.
b : least skillful, talented, or successful
• He is the worst singer I've ever heard.
• They're the worst team ever.
2 : least appropriate, useful, or helpful
• That is the worst advice I've ever heard.
• I'm having the worst luck today.
• Leaving now is the worst thing you could do.
• He is the worst person to ask for advice.
• You've picked the worst time to come over.
• She called at the worst possible moment.
in the worst way US informal : very much
• I want a new bike in the worst way.
worst of all
- used to refer to the least pleasant or appealing part of something that has many bad parts
• I forgot my backpack, was late for class, and worst of all, I studied the wrong material for the test.
your own worst enemy
- see enemy

great

great [adjective] (FAMOUS)

famous, powerful, or important as one of a particular type

US /ɡreɪt/ 
UK /ɡreɪt/ 

معتبر، با اهمیت

مثال: 

a great politician/leader/artist/man/woman

Oxford Essential Dictionary

great

 adjective (greater, greatest)

pronunciation
The word great sounds like late.

1 very large:
It's a great pleasure to meet you.

2 important or special:
Einstein was a great scientist.

3 (informal) very; very good:
He knows a great many people.
There's a great big dog in the garden!
They are great friends.

4 (informal) very nice or enjoyable same meaning wonderful:
I had a great weekend.
It's great to see you!

Longman Dictionary of Contemporary English

great

I. great1 S1 W1 /ɡreɪt/ BrE AmE adjective (comparative greater, superlative greatest)
[Word Family: noun: ↑greatness, ↑great; adverb: ↑greatly; adjective: ↑great]
[Language: Old English]
1. LARGE [usually before noun] very large in amount or degree:
The movie was a great success.
The news came as possibly the greatest shock of my life.
The paintings cost a great deal (=a lot) of money.
John always takes great care over his work.
It gives me great pleasure (=I am very pleased) to introduce tonight’s speaker.
It’s a great pity that none of his poems survive.
The temptation was too great to resist.
2. EXCELLENT especially spoken
very good SYN wonderful, fantastic:
The weather here is great.
It’s great to be home.
a great day out for all the family
sound/taste/smell/feel etc great
I worked out this morning and I feel great.
You look great in that dress.
great for doing something
Email’s great for keeping in touch.
the great thing about somebody/something (=the very good thing about someone or something)
The great thing about Alex is that he’s always willing to explain things to you.
3. IMPORTANT
a) [usually before noun] important or having a lot of influence:
one of the greatest scientific achievements of our time
What makes a novel truly great?
great historical events
b) used in the title of a person or event that was very important in the past
Peter/Catherine etc the Great
I’m reading a biography of Alexander the Great.
the Great Depression
the Great War old-fashioned (=World War I)
4. GENEROUS very good or generous in a way that people admire:
a great humanitarian gesture
5. EXTREMELY SKILFUL famous for being able to do something extremely well:
Ali was undoubtedly one of the greatest boxers of all time.
a book about the lives of the great composers
6. BIG written very big SYN huge:
A great crowd had gathered.
A great iron stove filled half the room.
7. great big spoken very big:
Get your great big feet off my table!
8. DOING SOMETHING A LOT used to emphasize that someone does something a lot
a great talker/reader/admirer etc
Anthony’s a great talker – sometimes you just can’t get a word in.
Len was a great believer in the power of positive thinking.
be a great one for doing something
She’s a great one for telling stories about her schooldays.
9. to a greater or lesser extent used to emphasize that something is always true, even though it is more true or noticeable in some situations than others:
Most companies operate in conditions that are to a greater or lesser extent competitive.
10. be no great shakes informal to not be very good, interesting, or skilful:
The work’s no great shakes, but at least I’m earning.
11. be going great guns informal to be doing something extremely well:
After a slow start, the Tigers are going great guns.
12. BAD spoken informal used when you are disappointed or annoyed about something:
‘Daniel’s cancelled the party.’ ‘Oh great!’
13. ANIMAL/BIRD/PLANT ETC used in the names of some animals or plants, especially when they are bigger than other animals or plants of the same type:
the Great Crested Grebe
14. the great outdoors informal the countryside, considered as enjoyable and healthy:
He had a taste for adventure and the great outdoors.
15. great minds (think alike) spoken used humorously when you and another person have had the same idea
16. the greater good a general advantage that you can only gain by losing or harming something that is considered less important:
Some wars are fought for the greater good.
17. the great apes the different types of animals that are similar to large monkeys, considered as a group:
Alone of the great apes, the gorilla is not very efficient at using tools.
18. the great divide a situation in which there is a big difference between groups in society, areas of a country etc, for example a big difference between their wealth or attitudes:
The great divide between north and south seems to be as unbridgeable as ever.
19. Greater London/Los Angeles/Manchester etc London, Los Angeles etc and its outer areas
20. huge/enormous great British English spoken used to emphasize how big something is
21. great Scott!/great Heavens! spoken old-fashioned used to express shock or surprise
22. great with child literary very soon to have a baby
—greatness noun [uncountable]:
She was destined for greatness.

Cambridge Advanced Learner's Dictionary

great / ɡreɪt / adjective approving (FAMOUS)

B2 famous, powerful, or important as one of a particular type:

a great politician/leader/artist/man/woman

This is one of Rembrandt's greatest paintings.

Who do you think is the greatest modern novelist?

 

 

great / ɡreɪt / adjective (BIG)

A2 large in amount, size, or degree:

an enormous great hole

A great crowd had gathered outside the president's palace.

The improvement in water standards over the last 50 years has been very great.

A great many people would agree.

The great majority of (= almost all) people would agree.

formal It gives us great pleasure to announce the engagement of our daughter Maria.

formal It is with great sorrow that I inform you of the death of our director.

I have great sympathy for you.

I spent a great deal of time there.

[ before noun ] used in names, especially to mean large or important:

a Great Dane (= large type of dog)

Catherine the Great

the Great Wall of China

the Great Bear (= group of stars)

 

great / ɡreɪt / adjective (EXTREME)

B1 extreme:

great success/difficulty

 

 

great / ɡreɪt / adjective (GOOD)

A1 informal very good:

a great idea

We had a great time last night at the party.

It 's great to see you after all this time!

"I'll lend you the car if you like." "Great! Thanks a lot!"

"What's your new teacher like?" "Oh, he's great."

"How are you feeling now?" "Great."

informal used to mean that something is very bad:

Oh great ! That's all I need - more bills!

 

Collins COBUILD Advanced Learner’s English Dictionary

great

[gre͟ɪt]
 
 greater, greatest, greats

 1) ADJ-GRADED: ADJ n You use great to describe something that is very large. Great is more formal than big.
  The room had a great bay window.
  ...a great hall as long and high as a church.
 2) ADJ-GRADED Great means large in amount or degree.
  I'll take great care of it...
  Benjamin Britten did not live to a great age.
 3) ADJ-GRADED You use great to describe something that is important, famous, or exciting.
  ...the great cultural achievements of the past...
  America can be great again.
  Derived words:
  greatness N-UNCOUNT A nation must take certain risks to achieve greatness.
 4) ADJ-GRADED: usu ADJ n You can describe someone who is successful and famous for their actions, knowledge, or skill as great.
  Wes Hall was once one of the West Indies' great cricketers.
  ...the great George Padmore.
  Derived words:
  greatness N-UNCOUNT Abraham Lincoln achieved greatness.
 5) N-PLURAL: with supp The greats in a particular subject or field of activity are the people who have been most successful or famous in it. [JOURNALISM]
  ...all the greats of Hollywood.
  ...cycling's all-time greats.
 6) N-PLURAL The greats of popular modern music are records that have been successful and that continue to be popular. [JOURNALISM]
  ...a medley of rock'n'roll greats.
 7) ADJ (approval) If you describe someone or something as great, you approve of them or admire them. [INFORMAL]
  Arturo has this great place in Cazadero...
  They're a great bunch of guys...
  I think she's great.
 8) ADJ: feel ADJ If you feel great, you feel very healthy, energetic, and enthusiastic.
  I feel just great.
 9) ADJ-GRADED (emphasis) You use great in order to emphasize the size or degree of a characteristic or quality.
  ...a great big Italian wedding.
  ...her sense of colour and great eye for detail.
 10) EXCLAM (feelings) You say great in order to emphasize that you are pleased or enthusiastic about something.
  Oh great! That'll be good for Fergus.
 11) EXCLAM (feelings) You say great in order to emphasize that you are angry or annoyed about something.
  `Oh great,' I thought. `Just what I need.'
 12) N-IN-NAMES Great is used as part of the name of a species of plant or animal when there is another species of the same plant or animal which is smaller and has different characteristics.
 → See also greater
  ...the great bustard.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

1great /ˈgreɪt/ adj great·er; -est
1 a : very large in size : very big
• all creatures great and small
- usually used before a noun
• a great beast
• We were surprised by the great size of the auditorium.
• They traveled through a great stretch of wilderness.
• a great cloud of smoke
• A great crowd had formed in the city square.
• the Great Wall of China
• the Great Lakes
• (US) The house has a large great room. [=a large room used for several different purposes]
• (informal) They live in a great big house. [=a very large house]
• (chiefly Brit) a huge/whopping great elephant
b
- used in the names of animals that are larger than similar animals
• the great white shark
• the great horned owl
2 : very large in amount or extent
• The project will require a great amount of time and money.
• He lived to a great age. [=he lived to be very old]
• The show was a great [=big, huge] success.
• It's been a great [=long] while since we last saw them.
• He amassed a great [=large] fortune.
• The building was restored at great expense.
• a great quantity of fish
• He explained in great [=much] detail how they had met.
• These topics need to be discussed in greater [=more] depth and at greater length.
• Our speed/strength/power became greater (and greater) as we went on.
• He made a great deal of money. [=he made a large amount of money]
• Things could be a great deal worse. [=things could be much worse]
• He is supported by the great majority of voters. [=by most voters]
3 a : very strong
• The low cost of these products gives them great appeal.
• There is a very great need for reform.
• They're in no great hurry to finish.
• There is a great demand for his services.
• She takes a great [=considerable] interest in everything her children do.
• an actress of great charm
• with great [=strongly felt] sadness/admiration/love
• Is there any love greater than that between parent and child?
• The whole matter must be treated with great care. [=very carefully]
• His comments are true to a great extent. [=most of his comments are true]
• This new tax affects everyone to a greater or lesser degree/extent. [=to some degree/extent]
b
- used for emphasis before a noun that describes someone
• I've always been a great admirer of his work. [=I have always admired his work very much]
• They are great friends. [=they are very friendly]
• I'm a great believer in the value of patience. [=I believe very much in the value of patience]
c : very important
• This room is only used for great occasions. [=grand occasions, very important and formal occasions]
d : very bad : very extreme or severe
• The storm caused great damage/destruction.
• He was obviously in great pain/discomfort.
• She has suffered a great loss.
• It would be a great mistake to ignore these problems.
• a great disaster/misfortune
great difficulties
• a very great error
4 : better than good: such as
a : of the highest quality
great (works of) art/literature
great music
b : very important and admired
• a great poet/artist
• a great leader/scientist/thinker/woman
• He was a great but flawed man.
• a great discovery/invention
great achievements
c : very talented or successful
• My brother is a great golfer.
• She's a great judge of character.
• My brother is great at (playing) golf. [=my brother plays golf very well]
• She is great at Chinese cooking.
d informal : very enjoyable, favorable, etc. : excellent
• “How was the movie?” “It was (really) great!”
• It was the greatest.
• The movie got great reviews.
• We are having great weather this summer.
• We had a great time on our vacation.
• a great party/lecture/performance
• an actress with great [=very good-looking] legs
• It's great to see you again. = It's great seeing you again.
• This restaurant is great for a quick meal. = This is a great restaurant for a quick meal.
• The food tastes great!
Great work, everybody!
• “I've passed the exam!” “That's great!”
- often used in the phrases feel great and look great
• You look great in that hat. = That hat looks great on you.
• Things aren't looking so great at this point.
• He came home early because he wasn't feeling too great. [=he wasn't feeling well]
• I feel great just being with her!
- sometimes used in an ironic way to describe something that is very bad or upsetting
• “I can't find the tickets.” “That's (just) great! What are we supposed to do now?”
• Oh, great. Now I've lost the tickets.
5 always used before a noun : more distant in a family relationship by one generation
• My great aunt/uncle is my father's/mother's aunt/uncle.
- usually used in combination
• My great-grandfather is my grandfather's father.
• My great-great-grandmother is my great-grandfather's mother.
• a gift sent to Great-Uncle Mike
a great one for informal
✦If you are a great one for (doing) something, you do it often or enjoy doing it very much.
• He's a great one for (playing) golf.
• She's a great one for getting other people to do her work.
go great guns
- see 1gun
go to great pains
- see 1pain
great with child old-fashioned + literary : pregnant
no great shakes
- see 2shake

progressive

progressive [adjective] (GRADUAL)

developing or happening gradually

US /prəˈɡres.ɪv/ 
UK /prəˈɡres.ɪv/ 

پيش‌رونده

مثال: 

There's been a progressive decline in the standard of living over the past few years.

Longman Dictionary of Contemporary English

progressive

I. progressive1 /prəˈɡresɪv/ BrE AmE adjective
[Word Family: noun: ↑progress, ↑progression, ↑progressive; verb: ↑progress; adverb: ↑progressively; adjective: ↑progressive]
1. supporting new or modern ideas and methods, especially in politics and education:
a progressive administration
progressive and forward-looking policies
2. happening or developing gradually over a period of time
progressive decline/reduction/increase etc
the progressive increase in population
Britain’s progressive decline as a world power
3. technical the progressive form of a verb is used to show that an action or activity is continuing to happen. In English, it consists of the verb ‘be’ followed by the ↑present participle, as in ‘I was waiting for the bus’. SYN continuous

Oxford Advanced Learner's Dictionary

progressive

pro·gres·sive [progressive progressives] adjective, noun   [prəˈɡresɪv]    [prəˈɡresɪv] 

adjective
1. in favour of new ideas, modern methods and change
• progressive schools

Opp:  retrogressive

2. happening or developing steadily
• a progressive reduction in the size of the workforce

• a progressive muscular disease

3. (also con·tinu·ous) (grammar) connected with the form of a verb (for example I am waiting or It is raining) that is made from a part of be and the present participle. Progressive forms are used to express an action that continues for a period of time. 
Word Origin:
early 17th cent.: from French progressif, -ive or medieval Latin progressivus, from progress- ‘gone forward’, from the verb progredi, from pro- ‘forward’ + gradi ‘to walk’.  
Example Bank:
highly progressive in outlook
Are you in favour of progressive teaching methods?
• He is progressive, open-minded, and sincerely concerned with civil-rights struggles.

Derived Word: progressivism 

Cambridge Advanced Learner's Dictionary

progressive / prəˈɡres.ɪv / adjective (GRADUAL)

C1 developing or happening gradually:

There's been a progressive decline in the standard of living over the past few years.

a progressive disease   

 

progressive / prəˈɡres.ɪv / adjective (MODERN)

B2 describes ideas or systems that are new and modern, encouraging change in society or in the way that things are done:

progressive ideas/attitudes

The left of the party is pressing for a more progressive social policy.

 

a progressive school

progressive / prəˈɡres.ɪv / adjective (TAX)

describes a tax system in which the rate of tax is higher on larger amounts of money

 

progressive / prəˈɡres.ɪv / adjective (GRAMMAR)

describes the form of a verb that is used to show that the action is continuing. It is formed with the verb 'be' followed by the present participle (= -ing form of the verb) :

'He's working hard at the moment' is an example of the present progressive form of the verb 'work'.

'I was eating when the phone rang' is an example of the past progressive.

Collins COBUILD Advanced Learner’s English Dictionary

progressive

[prəgre̱sɪv]
 progressives
 1) ADJ-GRADED Someone who is progressive or has progressive ideas has modern ideas about how things should be done, rather than traditional ones.
  ...a progressive businessman who had voted for Roosevelt in 1932 and 1936...
  Willan was able to point to the progressive changes he had already introduced...
  The children go to a progressive school.
  Ant:
  conservative
 N-COUNT
 A progressive is someone who is progressive. The Republicans were deeply split between progressives and conservatives.
 2) ADJ: usu ADJ n A progressive change happens gradually over a period of time.
  One prominent symptom of the disease is progressive loss of memory.
  ...the progressive development of a common foreign and security policy.
  Syn:
  gradual
  Ant:
  sudden
  Derived words:
  progressively ADV ADV compar, ADV with v Her symptoms became progressively worse... The amount of grant the council received from the Government was progressively reduced.
 3) ADJ: ADJ n In grammar, progressive means the same as continuous.

 

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

1pro·gres·sive /prəˈgrɛsɪv/ adj
1 : moving forward
• the progressive movements of the hands of a clock
2 : happening or developing gradually over a period of time
• a progressive disease
3 [more ~; most ~] : using or interested in new or modern ideas especially in politics and education
• a progressive community/school
• a progressive candidate
4 grammar : of or relating to the progressive tense of a verb
• a progressive verb form

powerful

powerful [adjective] (CONTROL)

having a lot of power to control people and events

US /ˈpaʊ.ɚ.fəl/ 
UK /ˈpaʊə.fəl/ 

قدرتمند

مثال: 

The president is more powerful than the prime minister.

Oxford Essential Dictionary

powerful

 adjective

1 having a lot of strength or power:
The car has a very powerful engine.
The president is very powerful.

2 having a strong effect:
a powerful drug

Longman Dictionary of Contemporary English

powerful

powerful S3 W2 /ˈpaʊəfəl $ ˈpaʊr-/ BrE AmE adjective
[Word Family: noun: ↑power, ↑superpower, ↑powerlessness, ↑empowerment; adjective: ↑powerful ≠ ↑powerless, ↑overpowering, ↑power, ↑powered; verb: ↑power, ↑empower, ↑overpower; adverb: ↑powerfully ≠ ↑powerlessly, ↑overpoweringly]
1. IMPORTANT a powerful person, organization, group etc is able to control and influence events and other people’s actions ⇨ powerless:
He was one of the most powerful men in Bohemia.
a very influential and powerful family
rich and powerful nations
2. SPEECH/FILM ETC having a strong effect on someone’s feelings or opinions:
a powerful speech
powerful reasons/arguments (=reasons that make you think that something must be true)
Good teamwork is a powerful tool (=very effective method) for effective management.
3. FEELING/EFFECT a powerful feeling or effect is very strong or great:
Immigrants have had a powerful influence on the local culture.
a powerful sense of tradition
4. MACHINE/WEAPON ETC a powerful machine, engine, weapon etc is very effective and can do a lot:
a new generation of more powerful PCs
a machine that is immensely powerful
a powerful 24-valve engine
a powerful telescope
5. PHYSICALLY STRONG physically strong:
Jed was a powerful, well-built man.
The females are smaller and less powerful than the males.
6. A LOT OF FORCE a powerful blow, explosion etc has a lot of force:
an explosion ten times more powerful than the Hiroshima bomb
a powerful right-foot shot on goal
winds powerful enough to uproot trees
7. MEDICINE a powerful medicine or drug has a very strong effect on your body
8. TEAM/ARMY ETC a powerful team, army etc is very strong and can easily defeat other teams or armies:
a powerful fighting force
9. QUALITY very strong, bright, loud etc:
a powerful singing voice
the powerful headlights

Oxford Advanced Learner's Dictionary

powerful

power·ful   [ˈpaʊəfl]    [ˈpaʊərfl]  adjective
1. (of people) being able to control and influence people and events
Syn:  influential
an immensely powerful organization
one of the most powerful directors in Hollywood
• a rich and powerful man

• Only the intervention of powerful friends obtained her release.

2. having great power or force; very effective
powerful weapons
a powerful engine
a powerful voice
• a powerful telescope

• I traded my computer in for a more powerful model.

3. having a strong effect on your mind or body
a powerful image/drug/speech
Television may have a powerful influence on children.
• Fear is a powerful emotion.

• There is a powerful argument for changing the law.

4. (of a person or an animal) physically strong
Syn:  muscular
a powerful body
a powerful athlete
Derived Word: powerfully  
Thesaurus:
powerful [powerful powerfully] adj.
1.
She is one of the most powerful women in politics.
influentialimportantgreatdominanthigh-powered|approving strong
Opp: weak, Opp: powerless
a/an powerful/influential/important/great/dominant/strong figure/leader/position
a/an powerful/influential/important/dominant individual/group
a/an powerful/important/great/dominant/strong influence
Which word? Powerful people such as politicians use their position to control events. Influential people change other people's opinions or behaviour because people respect and listen to them. Important people influence other people or events because people respect them or because their position means their actions have a great effect. Strong people are confident and have leadership qualities.
2. (especially written, usually approving)
He was lithe and powerful as an athlete.
strongmuscular
Opp: weak
(a) powerful/strong/muscular build/body/arms/legs
powerful/strong muscles/jaws  
Example Bank:
a politically powerful figure
locally powerful landowners
He is one of the most powerful directors in Hollywood.
He was lithe and powerful as an athlete.
He was the most powerful man in the country after the king.
It is a country where religious leaders are often more powerful than politicians.
This extremist movement has become increasingly powerful in recent years.
• When she trots she covers ground like a powerful horse rather than a pony.

• Why are there still so few women in politically powerful positions?

Cambridge Advanced Learner's Dictionary

powerful / ˈpaʊə.f ə l /   / ˈpaʊɚ- / adjective (CONTROL)

B1 having a lot of power to control people and events:

The president is more powerful than the prime minister.

She's the most powerful person in the organization.

 

powerfully / -i /   / ˈpaʊɚ- / adverb

B2

He argued powerfully and persuasively against capital punishment.

She kicked the ball so powerfully that it flew over the hedge.

Klaus is a very powerfully built man (= has a body with large strong muscles) .

 

powerful / ˈpaʊə.f ə l /   / ˈpaʊɚ- / adjective (STRENGTH)

B1 having a lot of strength or force:

She's an extremely powerful runner.

The picture quality is bad because the TV signal isn't powerful enough.

B2 having a very great effect:

a powerful drug

Her speech about cruelty to children was very powerful.

 

powerfully / -i /   / ˈpaʊɚ- / adverb

B2

He argued powerfully and persuasively against capital punishment.

She kicked the ball so powerfully that it flew over the hedge.

Klaus is a very powerfully built man (= has a body with large strong muscles) .

 

powerful / ˈpaʊə.f ə l /   / ˈpaʊɚ- / adjective (IMAGE SIZE)

having the power to increase the size of an image of something that is very small or far away many times:

You'd need an extremely powerful microscope to see something so small.

Collins COBUILD Advanced Learner’s English Dictionary

powerful

[pa͟ʊə(r)fʊl]
 ♦♦
 1) ADJ-GRADED A powerful person or organization is able to control or influence people and events.
 → See also all-powerful
  You're a powerful man - people will listen to you.
  ...Russia and India, two large, powerful countries.
  ...Hong Kong's powerful business community.
  Syn:
  influential
  Ant:
  powerless
 2) ADJ-GRADED You say that someone's body is powerful when it is physically strong.
  Hans flexed his powerful muscles...
  It's such a big powerful dog.
  Syn:
  strong
  Ant:
  weak
  Derived words:
  powerfully ADV-GRADED ADV with v He is described as a strong, powerfully-built man of 60... You can contract your muscles more powerfully by linking up your breathing to the exercise.
 3) ADJ-GRADED: usu ADJ n A powerful machine or substance is effective because it is very strong.
  The more powerful the car the more difficult it is to handle.
  ...powerful computer systems...
  Alcohol is also a powerful and fast-acting drug.
  Derived words:
  powerfully ADV ADV adj Crack is a much cheaper, smokable form of cocaine which is powerfully addictive.
 4) ADJ-GRADED: usu ADJ n A powerful smell is very strong.
  There was a powerful smell of stale beer.
  ...tiny creamy flowers with a powerful scent.
  Syn:
  strong
  Derived words:
  powerfully ADV-GRADED ADV after v The railway station smelt powerfully of cats and drains.
 5) ADJ-GRADED A powerful voice is loud and can be heard from a long way away.
  At that moment Mrs. Jones's powerful voice interrupted them, announcing a visitor.
  Syn:
  loud
 6) ADJ-GRADED You describe a piece of writing, speech, or work of art as powerful when it has a strong effect on people's feelings or beliefs.
  ...Bleasdale's powerful 11-part drama about a corrupt city leader.
  ...one of the world's most powerful and moving operas, Verdi's `Otello'.
  ...a powerful new style of dance-theatre.
  Derived words:
  powerfully ADV-GRADED ADV -ed, ADV after v It's a play - painful, funny and powerfully acted.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

powerful

pow·er·ful /ˈpawɚfəl/ adj [more ~; most ~]
1 : having the ability to control or influence people or things
• rich and powerful people
• a powerful ally
• The country is becoming more and more powerful.
2 : having a strong effect on someone or something
powerful drugs that attack cancer cells
• The cash bonus provides a powerful incentive to workers.
powerful emotions/images
• The perfume has a powerful smell.
• It's a very powerful movie.
• He gave a powerful [=moving] speech.
• a powerful [=convincing, compelling] argument
3 : having or producing a lot of physical strength or force
powerful magnets
• a powerful machine/motor/force
• The dog has a powerful body.
• She has a powerful voice.
• The weapons are very powerful.
• The aardvark uses its powerful claws to dig for food.
4 : capable of doing many things in a fast and efficient way
• His new computer is more powerful than the one I have.
the powerful : powerful people
• the weak and the powerful
- pow·er·ful·ly adv
• a powerfully built man [=a man with a body that looks very strong]
• a powerfully written speech/book

wise

wise [adjective]

approving having or showing the ability to make good judgments, based on a deep understanding and experience of life

US /waɪz/ 
UK /waɪz/ 

عاقل

مثال: 

I think you made a wise choice.

Oxford Essential Dictionary

wise

 adjective (wiser, wisest)
knowing and understanding a lot about many things:
a wise old man
Do you think this is wise?

Longman Dictionary of Contemporary English

wise

I. wise1 S3 /waɪz/ BrE AmE adjective
[Language: Old English; Origin: wis]
1. DECISION/IDEA ETC wise decisions and actions are sensible and based on good judgment SYN sensible
it is wise to do something
It’s wise to check whether the flight times have changed before you leave for the airport.
be wise to do something
I think you were wise to leave when you did.
a wise precaution
I don’t think that would be a very wise move (=not be a sensible thing to do).
2. PERSON someone who is wise makes good decisions, gives good advice etc, especially because they have a lot of experience of life:
a wise old man
At the time I thought he was wonderful, but I’m older and wiser now.
As a manager, Sanford was wise in the ways of (=knew a lot about) company politics.
3. be none the wiser/not be any the wiser
a) to not understand something even after it has been explained to you:
Charlie explained how the system works, but I’m still none the wiser.
b) used for saying that no one will find out about something bad that someone has done:
He could easily have taken the money and no one would have been any the wiser.
4. get/be wise to somebody/something informal to realize that someone is being dishonest:
Teachers quickly get wise to students who are cheating. ⇨ wise up at ↑wise2
5. wise guy especially informal American English an annoying person who thinks they know more than they really do:
OK, wise guy, shut up and listen!
6. be wise after the event to realize what you should have done in a situation after it has happened:
It’s easy to be wise after the event.

Oxford Advanced Learner's Dictionary

wise

wise [wise wises wised wising wiser wisest] adjective, verb   [waɪz]    [waɪz] 

adjective (wiser, wis·est)
1. (of people) able to make sensible decisions and give good advice because of the experience and knowledge that you have
• a wise old man

• I'm older and wiser after ten years in the business.

2. (of actions and behaviour) sensible; based on good judgement
Syn:  prudent
a wise decision
It was very wise to leave when you did.
The wisest course of action is just to say nothing.
I was grateful for her wise counsel.  
Word Origin:
Old English wīs, of Germanic origin; related to Dutch wijs and German weise.  
Example Bank:
It was not considered wise to move her to another hospital.
He was known to be a wise and gentle ruler.
He was too wise and experienced to try to escape.
I'm older and wiser after ten years in the business.
It was very wise of you to leave when you did.
Locking your car doors is always a wise precaution.
Idioms: none the wiser  not be any the wiser  put somebody wise  wise after the event  wise to somebody
Derived Word: wisely

Derived: wise up 

Cambridge Advanced Learner's Dictionary

wise / waɪz / adjective

B2 approving having or showing the ability to make good judgments, based on a deep understanding and experience of life:

I think you made a wise choice.

"I never drink more than three glasses of wine." "How wise."

Looking at the weather, I think we made a wise decision not to go to the coast this weekend.

I think it would be wiser to wait and see how much money you've got left before you make any decisions.

I never used to save money but now I'm a little older and wiser I can see the sense in it.

Was it Thomas More who said that the wise man learns from the experience of others?

wise to sth informal understanding a dishonest situation or way of doing something:

I used to be scrupulously honest then I got wise to the system.

Collins COBUILD Advanced Learner’s English Dictionary

wise

[wa͟ɪz]
 ♦♦♦
 wises, wising, wised, wiser, wisest

 1) ADJ-GRADED A wise person is able to use their experience and knowledge in order to make sensible decisions and judgements.
  She has the air of a wise woman...
  You're a wise old man: tell me what to do.
  Ant:
  foolish
  Derived words:
  wisely ADV-GRADED ADV with v The three of us stood around the machine nodding wisely.
 2) ADJ-GRADED: oft it v-link ADJ to-inf A wise action or decision is sensible.
  It's never wise to withhold evidence...
  She had made a very wise decision...
  It is wise to seek help and counsel as soon as possible.
  Syn:
  sensible
  Derived words:
  wisely ADV-GRADED usu ADV with v They've invested their money wisely... Our man had wisely decided to be picked up at the farm.
 3) PHRASE: PHR to-inf If someone says to you that it would be wise to do something, they are advising you to do it, because it is the most sensible and reasonable action or decision in a particular situation.
  It would be wise to get his eyes checked to ensure there is no problem.
 4) PHRASE: V inflects, PHR n If you get wise to something, you find out about it, especially when someone has been trying to keep it secret. [INFORMAL]
  Dealers have already got wise to the trend and increased their prices accordingly.
  Syn:
  wise up to
 5) PHRASE: v-link PHR If you say that someone is none the wiser after an event or an explanation, or that nobody is any the wiser after it, you mean that they have failed to understand it, or are not fully aware of what happened.
  The brewers are still none the wiser about the shape the Government envisages for the industry...
  We could have stolen the original from the warehouse without you being any the wiser.
  Phrasal Verbs:
  - wise up

 

[-waɪz]
 1) COMB in ADV: ADV with cl -wise is added to nouns to form adverbs indicating that something is the case when considering the particular thing mentioned.
  Career-wise, this illness couldn't have come at a worse time...
  It was a much better day weather-wise...
  Because the work was voluntary it was flexible, time-wise.
 2) COMB in ADV: ADV after v -wise is added to nouns to form adverbs indicating that someone behaves in the same way as the person or thing that is mentioned.
  We were housed student-wise in dormitory rooms...
  Kenny, struggling with too many chairs, moved crabwise towards the door.
  Syn:
  -like

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

1wise /ˈwaɪz/ adj wis·er; -est
1 : having or showing wisdom or knowledge usually from learning or experiencing many things
• a wise old woman
• a wise saying
• I'm a little wiser now than I was back then.
- see also penny-wise, streetwise
2 : based on good reasoning or information : showing good sense or judgment
• The wisest course of action would be to leave.
• It was wise of you to ask permission first. = You were wise to ask permission first.
• That was a wise choice.
• Many have benefited from her wise counsel/advice.
3 US informal : saying things that are rude or insulting
• Don't you get wise [=smart, fresh] with me, young man!
a word to the wise
- see 1word
crack wise
- see 1crack
none the wiser or not any the wiser
1 : not knowing or understanding anything more about something
• The investigation has been going on for months, and we're still none the wiser about the true cause of the accident. [=we still don't know anything more about the true cause]
2 also never the wiser
- used to describe someone who is not at all aware of something that has happened
• I borrowed his car and returned it, and he was none the wiser. [=he did not know that I had borrowed his car]
• We left early, and no one was any the wiser. [=no one noticed that we had left]
wise in the ways of : having knowledge about or experience with (someone or something)
• Don't worry. They're wise in the ways of finances.
• She is wise in the ways of the world.
wise to informal : not fooled by (someone or something)
• I'm wise to you. = I'm wise to what you're doing. [=I know what you're doing; I know that you are trying to do something dishonest] : aware of (something, especially something dishonest)
• When she got wise to [=became aware of] his scheme, she left.
• He told me I'd better get wise to what was happening.
• (chiefly US) Let me put/make you wise to [=tell you about] their plans.
- wise·ly adv [more ~; most ~]
• The witness wisely refused to answer the question.
• If you invest wisely, you can make a lot of money.
• Try to choose your words more wisely.

grateful

grateful [adjective]

showing or expressing thanks, especially to another person

US /ˈɡreɪt.fəl/ 
UK /ˈɡreɪt.fəl/ 

سپاسگزار، قدر شناس‌

مثال: 

I'm so grateful ( to you) for all that you've done.

Oxford Essential Dictionary

grateful

 adjective
If you are grateful, you feel or show thanks to somebody:
We are grateful to you for the help you have given us.
The noun is gratitudeopposite ungrateful

Longman Dictionary of Contemporary English

grateful

grateful S3 W3 /ˈɡreɪtfəl/ BrE AmE adjective
[Word Family: noun: ↑gratitude ≠ ↑ingratitude, ↑ingrate; adverb: ↑gratefully; adjective: ↑grateful ≠ ↑ungrateful]
[Date: 1500-1600; Origin: grate 'pleasing, thankful' (16-17 centuries), from Latin gratus]
1. feeling that you want to thank someone because of something kind that they have done, or showing this feeling OPP ungrateful
grateful for
I’m so grateful for all your help.
grateful to
I am very grateful to all those who took the trouble to write to me.
grateful (that)
She should be grateful that he was making things easier for her.
extremely/deeply/eternally etc grateful
I am extremely grateful for the assistance your staff have provided.
Our grateful thanks go to all who participated.
She gave me a grateful look.
REGISTER
In everyday English, people usually say I appreciate it rather than I’m grateful:
Thanks, I’m really grateful. ➔ Thanks, I really appreciate it.
| I’m grateful for everything you've done. ➔ I appreciate everything you've done.
2. I would be grateful if you could/would ... formal used to make a request:
I would be most grateful if you could send me an invoice in due course.

Oxford Advanced Learner's Dictionary

grateful

grate·ful   [ˈɡreɪtfl]    [ˈɡreɪtfl]  adjective
1. feeling or showing thanks because sb has done sth kind for you or has done as you asked
~ (to sb) (for sth) I am extremely grateful to all the teachers for their help.
We would be grateful for any information you can give us.
~ (to do sth) She seems to think I should be grateful to have a job at all.
~ (that…) He was grateful that she didn't tell his parents about the incident.
• Grateful thanks are due to the following people for their help…

• Kate gave him a grateful smile.

2. used to make a request, especially in a letter or in a formal situation
I would be grateful if you could send the completed form back as soon as possible.
I would be most grateful if you would keep this matter confidential.
see grateful/thankful for small mercies at  small  adj.
Derived Word: gratefully  
Word Origin:
mid 16th cent.: from obsolete grate ‘pleasing, thankful’ (from Latin gratus) + -ful.  
Thesaurus:
grateful [grateful gratefully] adj.
I am grateful to everyone for their help.
thankfulgladrelievedappreciative|formal indebted
Opp: ungrateful
grateful/thankful for sth
grateful/indebted to sb
grateful/thankful/glad/relieved that…  
Word Family:
grateful adjective (≠ ungrateful)
gratefully adverb
gratitude noun (≠ ingratitude) 
Example Bank:
I am more than grateful for their generous response.
I'll be forever grateful for your help.
I'm eternally grateful that we managed to go there before the war.
I'm immensely grateful to you for your support.
I'm just grateful the injury is not as bad as we'd feared.
Thank you for your help. I really am most grateful.
We are deeply grateful to you and your family.
He was grateful that she didn't tell his parents about the incident.
• I would be grateful if you could send the completed form back as soon as possible.

• Kate gave him a grateful look.

Cambridge Advanced Learner's Dictionary

grateful / ˈɡreɪt.f ə l / adjective

B1 showing or expressing thanks, especially to another person:

I'm so grateful ( to you) for all that you've done.

If you could get that report finished by Thursday I'd be very grateful.

After the earthquake we felt grateful to be alive.

I'm just grateful that I'm not still working for him.

formal I would be most grateful if you would send me the book immediately.

→  Opposite ungrateful

 

gratefully / -i / adverb

She smiled at me gratefully.

Collins COBUILD Advanced Learner’s English Dictionary

grateful

[gre͟ɪtfʊl]
 ADJ-GRADED: usu v-link ADJ, usu ADJ to n, ADJ for n/-ing
 If you are grateful for something that someone has given you or done for you, you have warm, friendly feelings towards them and wish to thank them.
  She was grateful to him for being so good to her...
  I should like to extend my grateful thanks to all the volunteers.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

grate·ful /ˈgreɪtfəl/ adj [more ~; most ~] : feeling or showing thanks
• She was grateful (that) she didn't have to work on the holiday.
• the grateful [=thankful] recipient of a new heart
• The college sent us a grateful acknowledgment of our donation. : feeling or showing thanks to someone for some helpful act
• I'm grateful to you for your help.
• He's grateful for the attention.
• I'm grateful (to you) for this opportunity. = I'm grateful to have this opportunity. = I'm grateful that I have this opportunity.
• a grateful smile
- opposite ungrateful

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