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childish Synonyms

Another word for childish

Choosing another word for childish depends on context, so the 10 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adjective (Context 1)

Silly, immature, and lacking adult restraint or judgment.

Usage Example

"Refusing to speak to your colleague over a minor disagreement is a rather immature reaction."

Strongest
immature
juvenile
infantile
puerile
Strong
babyish
petty
silly
Weak
foolish

• adjective (Context 2)

Of, relating to, or characteristic of a child.

Usage Example

"The letter was written in a large, uneven, juvenile scrawl."

Strong
juvenile
youthful
childlike

Opposites of childish

The opposite of childish shifts depending on context. Common opposites include:

mature
adult
grown-up
sensible
level-headed
sophisticated
See all opposites of childish

• Nearby Words

childcare
childcarer
childhood
childish
childishly
childishness
childless

Cite this Entry

Wordmom. (2026). Synonyms for Childish. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/childish
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