immature

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immature

  • /ɪməˈtjʊə(ɹ)/
  • /ɪməˈt͡ʃʊə(ɹ)/
  • /ɪməˈt͡ʃə(ɹ)/

Rhymes with -ʊə(ɹ)

Where it comes from

From Middle French immature. Partially displaced unripe, from Old English unrīpe (“unripe, immature”).

adjective more immature · most immature

  1. archaic Occurring before the proper time; untimely, premature (especially of death). And thou also canst best account for the causes of her immature death […].
  2. Not fully formed or developed; not grown.
  3. Childish in behavior; juvenile. You're only young once, but you can be immature the rest of your life.

    Similar: infantile, milky, babish, babyish, bairnish, childish, dootsie, hissy, lactifluous, infantine, immature, kiddish

noun immatures

  1. An immature member of a species. There are many genera and even families of Brachypylina for which immatures are not yet known, and thus numerous examples of adult convergence and misclassification remain to be revealed: such is the case with Hypozetes.

Thesaurus

Closest in meaning: early, prepubertal, inchoative, formative, tender, vulnerable, small, junior, little, underdeveloped, naive, childlike, inexperienced, unsophisticated, youngish, young

Translations

Every language

adj not fully formed

Españolinmaturo
한국어미성숙하다 miseongsuk-hada
日本語未熟な mijuku na
中文不成熟的 bù chéngshú de
Portuguêsimaturo
Françaisimmature, vert
Deutschunreif
Italianoimmaturo, acerbo
Ελληνικάανώριμος anórimos
Românăimatur
Русскийнеспе́лый nespélyj, незре́лый nezrélyj

adj childish

Españolinmaduro, aniñado, pueril, infantil
한국어유치하다 yuchi-hada
日本語大人げない otonagenai, 未熟 mijuku
中文嫩 nèn, 不成熟的 bù chéngshú de, 幼小 yòuxiǎo, 幼稚 yòuzhì
Portuguêsimaturo, infantil
Françaisimmature
Deutschunreif, kindisch
Italianoimmaturo, infantile
Ελληνικάανώριμος anórimos, άπλερος ápleros
Românăimatur
Русскийнезре́лый nezrélyj

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MLA

"immature." Wiktionary, via Micwyn, micwyn.com/word/immature. Accessed 6 Nov. 2026.

APA

immature. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/immature

Chicago

"immature." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/immature.

BibTeX
@misc{immature_2026,
  title = {immature},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/immature},
  urldate = {2026-11-06}
}