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immature

  • adjective
  • /ɪməˈtjʊə(ɹ)/

Not fully formed or developed; not grown.

Other meanings

  1. Childish in behavior; juvenile.

    “You're only young once, but you can be immature the rest of your life.”

  2. Occurring before the proper time; untimely, premature (especially of death).

Synonyms

  • green
  • unripe

Related words

  • immaturely
  • immatureness
  • immature dependent

Word history

From Middle French "immature".

Where this comes from

This definition is adapted from “immature” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.