onesie

noun

one·​sie ˈwən-zē How to pronounce onesie (audio)
plural onesies
1
: a bodysuit for an infant having a snap closure at the crotch and not covering the legs
… her husband, Prince William, gratefully accepted a onesie labeled "Daddy's Little Co-Pilot" from a well-wisher …Michelle Tauber et al.
2
: a one-piece garment for adults usually with long sleeves and pants and sometimes with a hood
All eyes were on Pharrell Williams' wife, Helen Lasichanh, during the Met Gala on May 1, but it was for all the wrong reasons. We were hoping Helen would show off her amazing post-baby body after birthing triplets, but instead, she covered her body in a giant red onesie that some Twitter users were comparing to the red Teletubbie!Christopher Rogers

Examples of onesie 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.
Carter’s, a go-to brand for onesies, has raised prices too. Lindsay Owens, Rolling Stone, 9 May 2025 Many of the female stars showed up in structured, masculine looks, like Zendaya in a shiny tuxedo; Sabrina Carpenter in a maroon blazer meets onesie; Zoe Saldana in a black and white boxy frock with collar; and Whoopi Goldberg in a suit and tie. Madeleine Marr, Miami Herald, 7 May 2025 In the black-and-white photo, the couple's daughter's little feet can be seen cuddled into a pair of hands as the newborn baby wears a light-colored onesie. Kayla Grant, People.com, 6 May 2025 The shop sells short and long-sleeved tees, kids’ shirts and onesies, trucker hats and beanies, stickers and more. Melissa Oyler, Charlotte Observer, 30 Apr. 2025 See All Example Sentences for onesie

Word History

Etymology

one entry 1 + -sie (after the trademark Onesies)

First Known Use

1983, in the meaning defined at sense 1

Time Traveler
The first known use of onesie was in 1983

Browse Nearby Words

Cite this Entry

“Onesie.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/onesie. Accessed 20 May. 2025.

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