bedfellow
Americannoun
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Also called bedmate. a person who shares one's bed.
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an associate or collaborator, especially one who forms a temporary alliance for reasons of expediency.
Politics makes strange bedfellows.
noun
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a person with whom one shares a bed
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a temporary ally or associate
Etymology
Origin of bedfellow
First recorded in 1400–50, bedfellow is from the late Middle English word bedfelow. See bed, fellow
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.