: consisting of or made in a single undivided piece
a one-piece bathing suit
one-piece noun
one-piecer noun

Examples of one-piece in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Feel stylish and confident heading into summer with the Holipick Ruched One-Piece Swimsuit for just $37 at Amazon, and be sure to check out more similar one-piece styles below. Emily Weaver, PEOPLE, 10 Apr. 2026 If you’re headed to rural beaches or plan on hitting up an onsen, skip the string bikinis and Speedos and choose a more modest bathing suit like a tankini or one-piece. Elaina Verhoff, Travel + Leisure, 9 Apr. 2026 In her most recent post, Seymour is seen walking along the shoreline in a bold red one-piece swimsuit with a front cutout. Danielle Minnetian, FOXNews.com, 6 Apr. 2026 An InStyle fashion writer is recommending her mom swap her usual boring one-piece swimsuits for a tankini. Essence Wiley, InStyle, 6 Apr. 2026 See All Example Sentences for one-piece

Word History

First Known Use

1880, in the meaning defined above

Time Traveler
The first known use of one-piece was in 1880

Cite this Entry

“One-piece.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/one-piece. Accessed 14 Apr. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster