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heart sinks, one's

Idioms  

  1. One's courage or hope fails; one is very disappointed or dejected. For example, An hour before the picnic I heard thunder and my heart sank. This expression was first recorded in 1605 but was preceded in the 15th century by. The present (and only surviving) usage was first recorded in 1605.

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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