Meaning & use

baby onesie

noun·Everyday

Last updated

UK/ˈbeɪbi ˈwʌnzi/
US/ˈbeɪbi ˈwʌnzi/

Meaning

  1. nouncountable

    A one-piece, usually short-sleeved or sleeveless, garment for a baby that covers the body and has snaps at the crotch.

    Grammar: Countable: one baby onesie, two baby onesies. Often used in the plural when talking about several.

    Patterns

    • wear a baby onesie
    • put on a baby onesie
    • change a baby's onesie

    She dressed the baby in a soft cotton onesie.

    The onesie had cute animal patterns on it.

    He bought a pack of three baby onesies as a gift.

Word forms

pluralbaby onesies

Common combinations

cotton onesie
Cotton onesies are comfortable for babies in summer.
wear a onesie
The baby wore a onesie all day.
change a onesie
I need to change the baby's onesie; it's wet.
pack of onesies
She received a pack of onesies at the baby shower.

Synonyms and how they differ

bodysuit
A more general term for a tight-fitting one-piece garment; often used for baby onesies in British English.
babygro
A British trademark term for a baby onesie, but it is often used generically in the UK.

Commonly confused: baby onesie or onesie?

baby onesie vs onesie

A 'onesie' can also mean a one-piece garment for adults, often worn as pajamas or a costume; 'baby onesie' specifies it's for a baby.

Practice

What is a baby onesie?

Make it your own

Write a sentence using “baby onesie”, then check it and compare it with the examples above.

Your sentence stays on this page and is not sent anywhere.

Explore more words