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.

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.

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

(intransitive) informal to live or behave like an adult, esp by being responsible and independent Etymology: 16th Century: from Latin adultus, from adolēscere to grow up, from alēscere to grow, …

Definition of adult noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Jan 18, 2025 · Explore the definition of the word "adult," as well as its versatile usage, synonyms, examples, etymology, and more.

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.

Only adults can purchase alcohol. This film is for adults only. Minors are not admitted. People who are close friends as children aren't always friends as adults. We need to approach this in an adult way.

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