Because of the cloudy weather they decided not to go hiking.
Oxford Essential Dictionary
cloudy
adjective (cloudier, cloudiest)
If the weather is cloudy, the sky is full of clouds:
a cloudy day
Longman Dictionary of Contemporary English
cloudy
cloud‧y /ˈklaʊdi/ BrE AmE adjective
1. a cloudy sky, day etc is dark because there are a lot of clouds OPP clear:
a cloudy night with some light rain
Tomorrow, it will be cloudy and cool.
2. cloudy liquids are not clear:
a rather cloudy wine
3. cloudy thoughts, memories etc are not very clear or exact
• • •
THESAURUS
▪ cloudy with a lot of clouds: The weather was cold and cloudy. | cloudy skies
▪ grey (also gray American English) grey in colour, because there are dark clouds – used especially in written descriptions: Mary looked out at the cold grey sky.
▪ overcast dark and completely covered with clouds: a chilly overcast day
▪ leaden literary a leaden sky is grey and full of dark clouds: Snow fell from a leaden sky.
▪ gloomy dark and cloudy, in a depressing way: The gloomy weather shows no sign of improving.
▪ foggy with thick low cloud that is difficult to see through. You use foggy especially about low-lying places: a foggy day in London in November
▪ misty with light low cloud that is difficult to see through. You use misty especially about places that are next to water or in the mountains: a cold misty morning
▪ hazy with air that looks cloudy, because there is smoke, dust, or mist in it: hazy sunshine
Oxford Advanced Learner's Dictionary
cloudy
cloudy [cloudy cloudier cloudiest] [ˈklaʊdi] [ˈklaʊdi] adjective (cloud·ier, cloudi·est)
1. (of the sky or the weather) covered with clouds; with a lot of clouds
Opp: clear
• a grey, cloudy day
2. (of liquids) not clear or transparent
• The water looked cloudy and not fit to drink.
Derived Word: cloudiness
Thesaurus:
cloudy adj.
• The sky was cloudy when we set off.
misty • • foggy • • overcast • • dull • |especially BrE, usually disapproving grey • |AmE usually gray • |often disapproving murky •
Opp: clear, Opp: sunny
cloudy/foggy/dull/grey weather
a cloudy/misty/overcast/dull/grey day
a cloudy/misty/foggy/murky night
Which word? If it is cloudy there may be a lot of clouds about while the rest of the sky is blue. Overcast, dull and grey suggest that the whole sky is covered with clouds.
Example Bank:
• It stayed cloudy for most of the day.
• Later it will become cloudy with rain in places.
• Sometimes the drinking water becomes rather cloudy.
• The beer looked cloudy.
• The warm water is made cloudy by adding some milk.
• a rather cloudy sky
• It was a dark, cloudy night.
• Scotland and Northern Ireland will be rather cloudy with patchy rain.
• The sky was cloudy when we set off but it cleared up by lunchtime.
• You can still get sunburnt on a cloudy day.
Cambridge Advanced Learner's Dictionary
Cambridge Advanced Learner's Dictionary - 4th Edition
cloudy / ˈklaʊ.di / adjective
A2 with clouds:
a cloudy sky/day
Scotland will be cloudy with wintry showers.
not transparent:
The beer was cloudy and dark.
© Cambridge University Press 2013
Collins Advanced Learner’s English Dictionary
cloudy
/klaʊdi/
(cloudier, cloudiest)
1.
If it is cloudy, there are a lot of clouds in the sky.
...a windy, cloudy day.
ADJ
2.
A cloudy liquid is less clear than it should be.
ADJ
Merriam-Webster's Advanced Learner's Dictionary
cloudy
cloudy /ˈklaʊdi/ adj cloud·i·er; -est [also more ~; most ~]
1 : having many clouds in the sky
• Tomorrow will be cloudy and cold.
• a cloudy day
• cloudy weather : covered with clouds
• partly cloudy skies
2 : not clean or clear
• a puddle of cloudy [=dirty, murky] water
• cloudy eyes
- cloud·i·ness noun [noncount]
• We'll have clear skies in the morning with increasing cloudiness in the afternoon.