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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Baby sizes go from a snap-closure onesie for infants up to 18 months (there’s a matching pet bandana hidden in the baby sizes, too). Clint Davis, People.com, 26 Oct. 2024 Old Navy also has adorable dinosaur onesies with booties. Christopher Murray, Fox News, 22 Oct. 2024 Y’all, get your baby out of that bathroom and into a onesie! Emma Specter, Vogue, 18 Oct. 2024 Mari announced the news of her pregnancy on Instagram on Jan. 14 — what would have been her husband’s 24th birthday — sharing a photo of an ultrasound image and a onesie below her husband’s grave. Kimberlee Speakman, Peoplemag, 22 Sep. 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 10 Nov. 2024.

Last Updated: - Updated example sentences
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