Definition of “cool” - English Dictionary

“cool” in English

See all translations


uk /kuːl/ us /kuːl/

cool adjective (COLD)

B1 slightly cold:

cool water
cool weather

B1 slightly cold in a pleasant way:

It was a lovely cool evening.
How do you manage to look so cool in this hot weather?

used to describe a temperature that is slightly too cold:

It's a bit cool in here, isn't it? I think I'll close the window.

More examples

Thesaurus: synonyms and related words


You can also find related words, phrases, and synonyms in the topics:

cool adjective (CALM)

C1 calm and not worried or frightened; not influenced by strong feeling of any kind:

He was very cool when we broke the window, and didn't shout or get mad.
Stay/Keep cool (= do not become angry or excited).
be cool with sth informal

to be happy to accept a situation or suggestion:

Yeah, we could leave later - I'm cool with that.

cooladjective, exclamation

uk /kuːl/ us /kuːl/ informal

A2 excellent; very good:

"So how was the concert?" "It was cool!"
"Do you want to come with us?" "Yeah, cool!"

More examples


uk /kuːl/ us /kuːl/


uk /kuːl/ us /kuːl/

cool verb (BECOME COLD)

B2 [ I or T ] to become or cause something to become slightly colder:

Leave the cake to cool for an hour before cutting it.
He took off his shoes to cool his sweaty feet.

cool verb (BECOME LESS)

[ I ] also cool off If a feeling cools or cools off, it starts to become less strong:

They were completely in love in the beginning, but I think it's starting to cool off now.
Their interest in the project seems to be cooling.

[ I ] also cool off If the economy, a business, etc. cools or cools off, it grows less fast than before:

The stock market has cooled off after hitting new highs last week.

(Definition of “cool” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“cool” in American English

See all translations


cool adjective (COLD)

us /kul/ [ -er/-est only ] slightly cold; of a low temperature:

Cereals should be stored in a cool, dry place.

cool adjective (UNFRIENDLY)

us /kul/ [ -er/-est only ] unfriendly or not showing affection or interest in something or someone:

"Well, that’s just too bad," Bill replied in a cool tone.

cool adjective (CALM)

us /kul/ [ -er/-est only ] calm and not anxious or frightened:

What’s needed now is calm, cool thinking.
He made a cool assessment of the situation.

cool adjective (GOOD)

us /kul/ [ -er/-est only ] infml excellent; very good:

It’s way cool to see you again!

us /kul/ [ -er/-est only ] infml Cool is also used to show agreement with or acceptance of what someone says:

"He wants to come with us." "Cool."

cool adjective (COLORS)

art /kul/ (of colors) not very bright or dark, and esp. containing green, blue, or gray


coolnoun [ U ]

us /kul/

cool noun [ U ] (CALM)

infml the ability to stay calm and not get upset or angry:

He’s gone swimming with sharks without losing his cool.

coolverb [ I/T ]

us /kul/

cool verb [ I/T ] (COLD)

to lose heat or cause someone or something to lose heat:

[ I ] Remove the pie from the oven and let it cool for 30 minutes.
[ I/T ] He jumped into the pool to cool (himself) off.

cool verb [ I/T ] (CALM)

to (cause to) become calm or weaker in feeling:

[ I ] We need to allow time for tempers to cool.
[ T ] I wish Casey would cool his enthusiasm for video games.

(Definition of “cool” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“cool” in Business English

See all translations

coolverb [ I or T ]

uk /kuːl/ us also cool off, also cool down

if an economy, a market, etc. cools, or if something cools it, it grows less quickly than before:

The Canadian economy, which has enjoyed robust growth, is expected to cool off in the second half of the year.
Interest rate rises have done little to cool activity in the housing market.

(Definition of “cool” from the Cambridge Business English Dictionary © Cambridge University Press)

Blogs about "cool"