keep cool

Idioms  

1. Also, keep a cool head; stay cool; be cool; (take it cool). Remain calm and under control, as in Keep cool, they'll soon show up, or Be cool, the surprise is not spoiled, or You have to keep a cool head in these volatile situations, or Sit tight, take it cool, they won't bother you again. All these terms employ cool in the sense of “not heated by strong emotion,” a usage dating from the late 1300s or even earlier. The first three expressions are colloquial and date from the second half of the 1800s; both of the last two are slang, and the very last (take it cool) is the oldest, first recorded in 1841. Also see keep one's cool; play it cool.

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Example Sentences

See Examples For:

keep cool

Along with detailing public resources to keep cool, New York Mayor Zohran Mamdani stressed on social media that the "power grid is working overtime to keep us cool."

From Barron's ● Jul. 2, 2026

"It's a challenge to keep cool whilst still feeling put together," Jess says.

From BBC ● Jun. 25, 2026

Some people have been changing their working-from-home set-up to try and keep cool.

From BBC ● Jun. 25, 2026

As they raised their hands in prayer, some held up umbrellas and books over their heads to keep cool.

From BBC ● Apr. 17, 2026

Sure, they keep cool, but I don’t feel like looking like an exhibit at an international museum of exotica.

From "Saints and Misfits" by S.K. Ali