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Definitions

cool

[kool] / kul /




VERB
reduce temperature, chill down
Synonyms
Antonyms
STRONGEST
WEAK




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

That may have been outré to a middle and high-schooler trying to be cool, but at some point post-college, the Chili Peppers became synonymous with sweaty fools passing out in strip mall parking lots.

From Salon • Apr. 4, 2026

When that happens, they begin to cool and expand, entering a phase known as a red giant.

From Science Daily • Apr. 4, 2026

Silicon Valley’s success and mythmaking long ago transformed the once-ridiculed computer nerd into the cool tech bro.

From MarketWatch • Apr. 4, 2026

"It's still really special and we're really enjoying this tournament at the moment. It's a great chance to play different teams and make some cool memories."

From BBC • Apr. 3, 2026

We head outside, where the air is cool even though it’s supposed to be hot later on.

From "Keeping Pace" by Laurie Morrison