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English definition of “cool”

cool

adjective, exclamation     /kuːl/ informal
A2 excellent; very good: "So how was the concert?" "It was cool!" "Do you want to come with us?" "Yeah, cool!"Informal words for goodGood, better and bestQuite good, or not very good
(Definition of cool adjectiveexclamation from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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