cool Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
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Meaning of “cool” in the English Dictionary

"cool" in British English

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cooladjective

uk   /kuːl/  us   /kuːl/
  • cool adjective (COLD)

B1 slightlycold: cool ​water cool ​weather
B1 slightlycold in a ​pleasant way: It was a ​lovely cool ​evening. How do you ​manage to ​look so cool in this ​hotweather?
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.

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Cool
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 ​strongfeeling of any ​kind: He was very cool when we ​broke the ​window, and didn't ​shout or get ​mad. Stay/Keep cool (= do not ​becomeangry or ​excited).
be cool with sth informal
to be ​happy to ​accept a ​situation or ​suggestion: Yeah, we could ​leavelater - I'm cool with that.
  • cool adjective (FASHIONABLE)

A2 informal fashionable or ​attractive: Angie's got some cool new ​sunglasses. I ​know it won't look very cool, but this ​hat will ​keep the ​sun out of ​youreyes.

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!"

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coolnoun

uk   /kuːl/  us   /kuːl/

coolverb

uk   /kuːl/  us   /kuːl/
  • cool verb (BECOME COLD)

B2 [I or T] to ​become or ​cause something to ​becomeslightlycolder: Leave the ​cake to cool for an ​hour before ​cutting it. He took off his ​shoes to cool his ​sweatyfeet.
  • 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 ​projectseems to be cooling.
[I] (also cool off) If the ​economy, a ​business, etc. cools or cools off, it ​grows less ​fast than before: The ​stockmarket has cooled off after ​hitting new ​highs last ​week.
Idioms
(Definition of cool from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"cool" in American English

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cooladjective

  • cool adjective (COLD)

 us   /kul/ [-er/-est only] slightlycold; of a ​lowtemperature: a cool ​evening/​breeze Cereals should be ​stored in a cool, ​dryplace.
  • cool adjective (UNFRIENDLY)

 us   /kul/ [-er/-est only] unfriendly or not ​showingaffection or ​interest in something or someone: "Well, that’s just too ​bad," ​Billreplied 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. ​containinggreen, ​blue, or ​gray
Idioms

coolnoun [U]

 us   /kul/
  • cool noun [U] (CALM)

infml the ​ability to ​staycalm and not get ​upset or ​angry: He’s gone ​swimming with ​sharks without ​losing his cool.

coolverb [I/T]

 us   /kul/
to ​loseheat or ​cause someone or something to ​loseheat: [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.
to (​cause to) ​becomecalm or ​weaker in ​feeling: [I] We need to ​allowtime for ​tempers to cool. [T] I ​wish Casey would cool his ​enthusiasm for ​videogames.
(Definition of cool from the Cambridge Academic Content Dictionary © Cambridge University Press)

"cool" in Business English

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coolverb [I or T]

uk   us   /kuːl/ (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 ​robustgrowth, is expected to cool off in the second half of the ​year. Interest ​raterises have done little to cool ​activity in the ​housingmarket.
(Definition of cool from the Cambridge Business English Dictionary © Cambridge University Press)
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