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

Gus's tips and tricks to keep cool while working include a wet flannel on his head and drinking plenty of water - but he also recommends a cup of tea.

From BBC ● Jul. 12, 2026

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

“We are telling clients to keep cool, fill your tank right now before it gets higher, drive a little less and look forward to a 7700 S&P by year-end,” he said.

From The Wall Street Journal ● Mar. 6, 2026

The meteorological bureau has advised people to find places to keep cool, like their homes, libraries, community centres or shopping centres.

From BBC ● Jan. 25, 2026

I would see a Muslim brother at our restaurant, or Betty at home, trying to keep cool; they’d hand me the receiver, and I couldn’t believe it, either.

From "The Autobiography of Malcolm X" by Alex Malcolm X;Hailey