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English definition of “coolness”

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coolness

noun [U] uk   /ˈkuːl.nəs/ us  

coolness noun [U] (CALM)

C2 the ability to stay calm and act in a reasonable way even in difficult situations: Her coolness in an emergency was admirable.

coolness noun [U] (UNFRIENDLINESS)

C2 behaviour that shows no warm feelings or friendliness: I noticed a certain coolness between your parents.

coolness noun [U] (COLD)

C1 the quality of being slightly cold: There's a slight coolness in the air - do you think it's going to rain?
(Definition of coolness from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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