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.
Officers pulled over a Rolls-Royce Ghost speeding north on Highway 99 and were stunned to find a small monkey wearing a onesie inside — as well as copious amounts of marijuana and five cellphones. Clara Harter, Los Angeles Times, 4 Jan. 2025 Photos from the stop showed the monkey wearing a pink onesie, while other images from the scene showed five cell phones, along with bags and containers of weed, sitting on the hood of the car. Ingrid Vasquez, People.com, 2 Jan. 2025 In slide eight, Hailey shared a photo of Jack's little legs in a Nightmare Before Christmas onesie and little white socks. Emily Tannenbaum, Glamour, 2 Nov. 2024 The blink-182 drummer holds Rocky, dressed in a black onesie, and kisses his little one's cheek. Paul Du Quenoy, Newsweek, 31 Dec. 2024 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

Dictionary Entries Near onesie

Cite this Entry

“Onesie.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/onesie. Accessed 22 Jan. 2025.

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