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View synonyms for keel over
keel over
verb
- to turn upside down; capsize
- informal.intr to collapse suddenly
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Idioms and Phrases
Collapse, as if in a faint; also, faint. For example, When she heard the awful news, she keeled over . This term alludes to a vessel rolling on its keel and capsizing. [Mid-1800s]Advertisement
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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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