Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “cool”

cool

adjective (UNFRIENDLY)    /kuːl/
C2 unfriendly or not showing kindness or interest in something or someone: She was decidedly cool towards me. I got a rather cool reception/welcome this evening. What do you think I've done wrong?Not being friendlyNot saying muchBlunt and direct in speech and behaviourLacking interest and enthusiasmUnwilling and reluctantNot showing or feeling emotions
(Definition of cool adjective (UNFRIENDLY) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of cool

Definitions of “cool” in other dictionaries

Word of the Day

neighbourly

friendly or helpful

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More