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Synonyms

roommate

American  
[room-meyt, room-] / ˈrumˌmeɪt, ˈrʊm- /

noun

  1. a person who is assigned to share or shares a room or apartment with another or others.

roommate British  
/ ˈruːmˌmeɪt, ˈrʊm- /

noun

  1. a person with whom one shares a room or lodging

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of roommate

An Americanism dating back to 1780–90; room + mate 1

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.