effective

اشتراک گذاری در شبکه های اجتماعی

effective [adjective] (SUCCESSFUL)

successful or achieving the results that you want

US /əˈfek.tɪv/ 
UK /ɪˈfek.tɪv/ 

مؤثر

مثال: 

It's an extremely effective cure for a headache.

Longman Dictionary of Contemporary English

effective

effective S2 W1 /ɪˈfektɪv/ adjective
  [Word Family: noun: effect, effectiveness ≠ ineffectiveness; adjective: effective ≠ ineffective, effectual ≠ ineffectual; verb: effect; adverb: effectively ≠ ineffectively]
 1. successful, and working in the way that was intended OPP ineffective:
   • The cheaper drugs are just as effective in treating arthritis.
   • the painting’s highly effective use of colour
   • Training is often much less effective than expected.
   • the most effective ways of reducing inner city congestion
  REGISTER
   In everyday English, people usually say that something works (well), rather than say that it is effective:
   ▪ • The cheaper drugs work just as well.
 2. [no comparative, not before noun] if a law, agreement, or system becomes effective, it officially starts
  effective from
   • The cut in interest rates is effective from Monday.
 3. [no comparative, only before noun] real rather than what is officially intended or generally believed:
   • The rebels are in effective control of the city.
 —effectiveness noun [uncountable]
     • • •

COLLOCATIONS

 

■ adverbs

   ▪ extremely/highly effectiveThe company launched a highly effective advertising campaign.

■ nouns

   ▪ an effective wayWhat’s the most effective way to control crime?
   ▪ an effective methodExams are not the most effective method of assessing students’ abilities.
   ▪ an effective meansIs reducing the speed limit an effective means of reducing accidents?
   ▪ effective actionThe police must take effective action to protect the public.
   ▪ an effective solutionThe most effective solution to traffic congestion is to build more roads.
   ▪ an effective treatmentAntibiotics are still the most effective treatment for this disease.
   ▪ an effective systemThe country has a simple but effective welfare system.
     • • •

THESAURUS

   ▪ successful achieving what you wanted, or having the effect or result you intended: • He applied for a visa three times and in the end he was successful. | • The treatment was successful. | • It was a highly successful campaign.
   ▪ effective having the effect or result that was wanted - used especially about treatments, drugs, or methods: • The drug is effective against a range of diseases. | • We still haven't found an effective way to solve the problem.
   ▪ victorious successful as a result of winning in a game, election, war etc: • the captain of the victorious team | • She emerged victorious in the second round of voting.
   ▪ promising likely to be very successful in the future, used especially about someone who is good at a job, sport, art etc: • a promising young athlete | • He gave up a promising career in banking.
   ▪ thriving very successful – used about a company, industry, or organization that is doing well at a particular time: • The area has a thriving tourist industry. | • The school is thriving academically.
   ▪ booming extremely successful – used about an economy, or when business or trade is increasing: • the booming economy in China | • Business is booming.

Oxford Advanced Learner's Dictionary

effective

ef·fect·ive   [ɪˈfektɪv]    [ɪˈfektɪv]  adjective

1. producing the result that is wanted or intended; producing a successful result

• Long prison sentences can be a very effective deterrent for offenders.

• Aspirin is a simple but highly effective treatment.

• drugs that are effective against cancer

• Some people believe that violence is an effective way of protesting.

• I admire the effective use of colour in her paintings.

Opp:  ineffective 

see also  cost-effective

2. only before noun in reality, although not officially intended

• the effective, if not the actual, leader of the party

• In spite of what they are told, parents have no effective choice of schools.

• He has now taken effective control of the country.

3. (formal) (of laws and rules) coming into use

• The new speed limit on this road becomes effective from 1 June.

Derived Word: effectiveness

See also: effectivity 

 

Word Origin:

late Middle English: from Latin effectivus, from efficere ‘accomplish’, from ex- ‘out, thoroughly’ + facere ‘do, make’.

 

Thesaurus:

effective [effective effectiveness] adj.

• a simple but highly effective treatment

successful • • powerful

Opp: ineffective

effective/successful/powerful in sth

effective/successful/powerful in doing sth

an effective/successful/powerful campaign/challenge

 

Example Bank:

• The drug is generally effective in reducing pain.

• This method is effective enough with greenfly.

• We find advertising on the radio very effective.

• What makes a TV programme politically effective?

• a highly effective technique

• directly effective treaty provisions

• effective at keeping out the wind

• effective in helping people to stop smoking

• He argued that long prison sentences could be a very effective deterrent for offenders.

Cambridge Advanced Learner's Dictionary

effect

effect (USE) /ɪˈfekt/
noun [U]
use:
The present system of payment will remain in effect (= be used) until the end of the rental agreement.
When do the new driving laws come into effect?
The new salary increases will take effect (= begin) from January onwards.

effective /ɪˈfek.tɪv/
adjective
The new laws will become effective next month.
See also effective at effect (RESULT).

 

x

effect (RESULT) /ɪˈfekt/
noun [C or U]
1 the result of a particular influence:
The radiation leak has had a disastrous effect on/upon the environment.
I tried taking tablets for the headache but they didn't have any effect.
I think I'm suffering from the effects of too little sleep.
She has a lot of confidence which she uses to good effect (= to her advantage) in interviews.
See also after effects.

2 take effect to produce or achieve the results you want:
They had to wait ten minutes for the anaesthetic to take effect before they stitched up the cut.

3 MAINLY DISAPPROVING for effect If you say or do something for effect, you intentionally do it to shock people or attract their attention:
I get the impression that she uses bad language in meetings for effect.

4 in effect in fact, or in practice:
So in effect the government have lowered taxes for the rich and raised them for the poor.
See also effect (USE). effective /ɪˈfek.tɪv/
adjective
1 successful or achieving the results that you want:
It's an extremely effective cure for a headache.
The lighting for the production made a very effective use of shadow.
She's a very effective teacher.
NOTE: The opposite is ineffective.

2 [before noun] in fact, although not officially:
Although she's not officially our boss, she's in effective control of the office.
See also effective at effect (USE).

effectively /ɪˈfek.tɪv.li/
adverb
1 in a way that is successful and achieves what you want:
The tablets work more effectively if you take a hot drink after them.

2 used when you describe what the real result of a situation is:
His wife left him when the children were small, so he effectively brought up the family himself.
Effectively, we have to start again from scratch.

effectiveness /ɪˈfek.tɪv.nəs/
noun [U]
There are doubts about the effectiveness of the new drug (= how successful it is) in treating the disease.

effectual /ɪˈfek.tju.əl/
adjective FORMAL
effective and successful:
They wish to promote a real and effectual understanding between the two countries.

effectually /ɪˈfek.tju.əl.i/
adverb FORMAL