onesie

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onesie

  • /ˈwʌn.zi/

Where it comes from

Genericized trademark from the Gerber Childrenswear brand name Onesies, which became reinterpreted as a plural. Equivalent to one + -sie.

noun onesies

  1. US A one-piece garment for an infant or small child, generally worn over a diaper. It was once considered taboo to even suggest that new motherhood was not all sunshine onesies and rainbow mobiles, and “Baby Ruby” arrives on a welcome wave of contemporary movies exploring how the joys of child rearing can commingle with misery.

    Similar: diaper shirt, romper, romper suit

  2. A one-piece adult loungewear jumpsuit.
  3. A one-piece fashionable streetwear worn mostly by teenagers.

Translations

Every language

noun baby garment

Españolmono, pelele, mameluco, pilucho, enterito, enterizo
한국어바디슈트 badisyuteu
Portuguêsmacaquinho
Françaisbody
DeutschStrampler
Italianopagliaccetto
Românăbody
Русскийдетский комбинезон detskij kombinezon, слип slip

noun adult jumpsuit

Españolmono, esquijama, mameluco, skiyama, enterito, enterizo
中文連體服 /连体服 liántǐfú
Portuguêsmacacão
Françaiscombinaison
Русскийкомбинезон kombinezon

Talk about this word

Cite this
MLA

"onesie." Wiktionary, via Micwyn, micwyn.com/word/onesie. Accessed 6 Nov. 2026.

APA

onesie. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/onesie

Chicago

"onesie." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/onesie.

BibTeX
@misc{onesie_2026,
  title = {onesie},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/onesie},
  urldate = {2026-11-06}
}