adult

Definitions

1. A man or woman who is fully grown up; a mature person. In his humorous dictionary published as The Penthouse Sexicon (1968), Frederic Mullally defines:

-- Adult: ' Person who is supposed to know what he or she is doing.'

-- Adulterer: ' Person who does it.'

-- Adultery: ' It.'

2. One who has reached the age of majority or legal age, now generally 18 years.
Synonyms: grown; grown-up; mature(d); of age. Antonym: underage(d).

3. A fully developed organism, animal or plant.

4. Gorwn up; fully developed and mature; mature in age, size, strength, etc.

5. Of or for adult persons only; intended for and restricted to adults. Adult bookstore.

6. Containing sexually explicit material; dealing with explicitly seuxal material; pornographic. Adult movies.

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(Noun) individual who is at least eighteen years old or older

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(Noun) someone over the age of 18 (although the age is different in other countries/cultures.)

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(Noun) someone older than 17.

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(Noun) A human-being which is over 20.

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an individual who is eighteen years of age or older