- To lose heat, to get colder.
- I like to let my tea before drinking it so I don't burn by tongue.
- (context, idiom, figurative) To become less amicable.
- Relations cooled between the USA and the USSR after 1980.
- Having a slightly low temperature; mildly or pleasantly cold.
- Of a person, not showing emotion.
- (colloquial) Of a person, knowing what to do and how to behave in any situation.
- (colloquial) In fashion.
- (colloquial) Of an action, all right, acceptable, that does not present a problem.
- (colloquial) Of a person, not upset by circumstances that might ordinarily be upsetting.
Etymology: (rfc-level, Etymology not at level 3) cÅl, cÅlian
- I'm completely about my girlfriend leaving me.
- (colloquial) Being considered as "popular" by others.
- Unenthusiastic, lukewarm, skeptical.
- His proposals had a reception.
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Full Definition of cool