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Word of the Day Tuesday, June 9, 2026

cool

/kʊl/ adjective · British & US
Valid in UKValid in US
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What does cool mean?

adjective

Having a temperature that is lower than the surrounding temperature; calm and unemotional. Used to describe something that is fashionable or impressive.

Example

"The new restaurant was really cool, with its modern decor and trendy music."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for cool

Antonyms of cool

Rhymes with cool

Etymologically related