EN

Synonyms for infantile

15 synonyms
1 antonym
1 meaning

adjective

Most common

childish immature puerile babyish

All synonyms

Adjective

1. Childish — childish; immature

childish, puerile, immature, babyish, young, juvenile, baby, babby US, hissy, milky, babish, infantine, kiddish informal, dootsie UK, bairnly rare UK

Other

Antonyms

All antonyms of infantile →

Definitions

adj. 1
Childish; immature.

Related words

Word family: infantilist
Phrases: infantile autism infantile paralysis infantile dementia

Example sentences

childish Don't be saying that childish shit at the age of 30.
immature He was so immature, he couldn't resist the temptation.
puerile Is this another one of your puerile jokes?

Popularity over time

Word	1850 → 2019	Trend
infantile		falling
childish		rising
immature		falling
puerile		steady
babyish		rising

Use in printed books, per decade from 1850 to 2019.

By length

4 letters: baby²
5 letters: young¹, milky², hissy, babby
6 letters: babish²
7 letters: puerile², babyish³, kiddish, dootsie, bairnly
8 letters: juvenile³, childish², immature³
9 letters: infantine

The small number after each word is its number of syllables (baby² = 2 syllables).

In other languages

Français: enfantin
Italiano: infantile
Español: infantil