Onesie vs. Babygrow

Onesienoun

(US) A one-piece garment for an infant or small child, generally worn over a diaper.

Onesienoun

One-piece adult loungewear jumpsuit.

Onesienoun

One-piece fashionable streetwear worn mostly by teenagers.

Onesienoun

a loose-fitting one-piece leisure garment covering the torso and legs

Onesienoun

a one-piece close-fitting lightweight garment worn by a young child, usually having sleeves but leaving the legs uncovered and fastening with press studs at the crotch.

Babygrow

A babygrow, babygro, sleepsuit, or sleep suit in British English is a one-piece item of baby clothing with long sleeves and legs used for sleep and everyday wear. They are typically made from cotton and closed with snaps, although they may also be made from fleece or closed with zips.