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whistle in the dark



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Idioms and Phrases

Summon up courage in a frightening situation, make a show of bravery. For example, They knew they were lost and were just whistling in the dark . This expression alludes to a literal attempt to keep up one's courage. [First half of 1900s]

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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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