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cool, calm, and collected

Idioms  

  1. Calm and composed, self-possessed. For example, No matter what the board decides, you have to appear cool, calm, and collected in front of the stockholders. This alliterative synonym for cool as a cucumber dates from the late 1800s.

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.

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