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adult

noun

  1. living organism that has reached sexual maturity
  2. human who has lived beyond childhood and adolescence
L5791 on Wikidata ↗

adjective

  1. of full age, not a child
L5792 on Wikidata ↗

Wiktionary

Pronunciation: /ˈæd.ʌlt/ / /ˈæd.əlt/ / /əˈdʌlt/

adj

Etymology: From French adulte, from Latin adultus (“grown up”), perfect passive participle of adolescō (“to grow up”). Compare adolescent.

  1. Fully grown.

    an adult human, animal, or plant

    The paws of the adult brown bear, and also their hams, especially when smoked, are considered a great delicacy.

  2. Intended for or restricted to adults rather than children due to size, maturity, knowledge level, judgement, etc.

    adult clothes; adult cereal; an adult documentary

    In May 1967 the WGBH Education Division submitted an initial proposal to HUD for a series of four adult television documentaries on conservation in an urban environment.

  3. Intended for or restricted to adults rather than children due to size, maturity, knowledge level, judgement, etc.

    adult situations; adult discussions

  4. Intended for or restricted to adults rather than children due to size, maturity, knowledge level, judgement, etc.

    an adult drink; an adult root beer float

  5. Intended for or restricted to adults rather than children due to size, maturity, knowledge level, judgement, etc.

    an adult cookie; adult gummy worms

  6. Intended for or restricted to adults rather than children due to size, maturity, knowledge level, judgement, etc.

    an adult movie

    This program contains adult content. Parental discretion is advised.

  7. Intended for or restricted to adults rather than children due to size, maturity, knowledge level, judgement, etc.

    adult language; an adult cartoon

  8. Intended for or restricted to adults rather than children due to size, maturity, knowledge level, judgement, etc.

    an adult menu; an adult fare

    Children go free, but for those 12 and up, you must purchase an adult ticket.

noun

Etymology: From French adulte, from Latin adultus (“grown up”), perfect passive participle of adolescō (“to grow up”). Compare adolescent.

  1. An animal that is full-grown.

    The young not only differs from the adult by the presence of its gills, but its feet are only developed by degrees, and in several genera there are also a deciduous beak and tail, and intestines of a different form

  2. A person who has reached the legal age of majority.

verb

Etymology: From French adulte, from Latin adultus (“grown up”), perfect passive participle of adolescō (“to grow up”). Compare adolescent.

  1. To behave like an adult.

    Adulting is hard!

  2. To (cause to) be or become an adult.

    Womanhood was achieved at twenty-one, when the female was "adulted"; manhood was fully achieved at twenty-five, […]

    The process of adulting children[…] overlaps with the process of the uncontrolled infiltration of the media[…] into children’s imagination.