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Synonyms of immature

13 similar words

Another word for immature is childish. Other synonyms of immature are juvenile, puerile and infantile.

Synonyms and similar words for immature

adjectiveChildish in behavior; juvenile.

infantileChildish; immature.
milkyImmature, childish.
babishLike a babe; childish; babyish.
babyishLike or suitable for a baby or a young child; childish.
bairnishHaving the manners of a child; childish; silly.
childishImmature in thought or behaviour.
dootsie UK, dialectal
hissy
lactifluousFlowing with milk.
infantineInfantile; childish.
kiddishChildish; immature.
juvenileCharacteristic of youth or immaturity; childish.
puerileChildish; trifling; silly.

Meaning of immature

adjective Occurring before the proper time; untimely, premature (especially of death).
adjective Not fully formed or developed; not grown.
adjective Childish in behavior; juvenile.

Full definition of immature

immature in other languages

Questions about synonyms of immature

What is another word for immature?: Immature has 13 synonyms on Word.ws, such as childish, juvenile, puerile and infantile.
What does immature mean?: Immature means occurring before the proper time; untimely, premature (especially of death).

Adapted from Wiktionary: immature (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this page: “Synonyms of immature.” Word.ws, https://word.ws/synonyms/immature. Based on Wiktionary, CC BY-SA 4.0.