The meaning of ADULT is fully developed and mature : grown-up. How to use adult in a sentence.

ADULT definition: a person who is fully grown or developed or of age. See examples of adult used in a sentence.

The biological definition of adult is an organism that has reached sexual maturity and thus capable of reproduction. In the human context, the term adult has meanings associated with …

An adult under English law is someone over 18 years old. Adults pay an admission charge but children get in free.

If you say that someone is adult about something, you think that they act in a mature, intelligent way, especially when faced with a difficult situation.

1. Fully developed and mature. 2. Relating to, intended for, or befitting adults: adult education. 3. Containing or dealing in explicitly sexual material; pornographic: adult movies.

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