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bathroom

American  
[bath-room, -room, bahth-] / ˈbæθˌrum, -ˌrʊm, ˈbɑθ- /

noun

  1. a room equipped for taking a bath or shower.

  2. toilet.

idioms

  1. go to / use the bathroom, to use the toilet; urinate or defecate.

bathroom British  
/ ˈbɑːθˌruːm, -ˌrʊm /

noun

  1. a room containing a bath or shower and usually a washbasin and lavatory

  2. another name for lavatory

"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 bathroom

First recorded in 1690–1700; bath 1 + room

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The primary suite in the unit featured its own private sitting room, an enormous spa-like bathroom, and its own fireplace—as well as “multiple closets,” the listing noted.

From MarketWatch • Apr. 22, 2026

The sink and vanity in the guest bathroom?

From Los Angeles Times • Apr. 21, 2026

I’d often hide in the bathroom or wander around.

From The Wall Street Journal • Apr. 21, 2026

The tiny property on Llewellyn Street has all the typical rooms with a hallway, fitted bathroom and kitchen.

From BBC • Apr. 20, 2026

Mom appeared in the doorway of the bathroom.

From "All About Sam" by Lois Lowry

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.