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swimsuit

American  
[swim-soot] / ˈswɪmˌsut /

noun

  1. bathing suit.

swimsuit British  
/ ˈswɪmˌsuːt, -ˌsjuːt /

noun

  1. a woman's one-piece swimming garment that leaves the arms and legs bare

"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 swimsuit

First recorded in 1925–30; swim + suit

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.

You know to turn the faucet in the bathroom off while rinsing out your swimsuit but something distracts you.

From The Wall Street Journal • Jan. 23, 2026

The Australian swimwear brand traces its origins to 1928, when Scottish immigrant Alexander MacRae produced a sleeveless Racerback swimsuit.

From Los Angeles Times • Jan. 22, 2026

But while majority of contestants wore two piece bikinis for the 2025 contest, those from conservative countries were allowed to wear full-body covering in the swimsuit round.

From BBC • Nov. 20, 2025

After changing into a swimsuit, Costantino enjoys-slash-endures an hourlong session alternating between the sauna and the cold tub.

From The Wall Street Journal • Sep. 12, 2025

Although, after the past few weeks, I’m beginning to think maybe Dad was right about not spending so much on one swimsuit.

From "South of Somewhere" by Kalena Miller

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.