Immature

//ɪməˈtjʊə(ɹ)// adj, noun

Definitions

Adjective
  1. 1
    Occurring before the proper time; untimely, premature (especially of death). archaic

    "And thou also canst best account for the causes of her immature death […]."

  2. 2
    Not fully formed or developed; not grown.
  3. 3
    Childish in behavior; juvenile.

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

Adjective
  1. 1
    (of birds) not yet having developed feathers wordnet
  2. 2
    not yet mature wordnet
  3. 3
    characteristic of a lack of maturity wordnet
  4. 4
    not fully developed or mature; not ripe wordnet
  5. 5
    (used of living things especially persons) in an early period of life or development or growth wordnet
Noun
  1. 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."

Etymology

Etymology 1

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

Etymology 2

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

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