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Showing results for cool as a cucumber. Search instead for As cool as cucumber.
Synonyms

cool as a cucumber

Idioms  

  1. Calm and composed, self-possessed, as in Despite the mishap Margaret was cool as a cucumber. This idiom may be based on the fact that in hot weather the inside of cucumbers remains cooler than the air. [c. 1600] For a synonym, see cool, calm, and collected.

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.

Dubois insisted he was "not at all" rattled, before Wardley sarcastically replied: "Yeah, he's as cool as a cucumber."

From BBC • May 7, 2026

Pegula gave an insight into what it is like facing the Kazakh, who she labelled "cool as a cucumber".

From Barron's • Jan. 30, 2026

They found the faulty part, did the maintenance and we are now cool as a cucumber.

From Seattle Times • Aug. 11, 2023

It was literally part of my job to have kind of a persona which was sort of unflappable and, you know, kind of cool as a cucumber.

From Los Angeles Times • Jun. 7, 2022

She’s cool as a cucumber, and brimming with casual news.

From "Cat's Eye" by Margaret Atwood

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.