Adult

/əˈdʌlt/

Meaning & Definition

noun
A person who is fully grown or developed, typically over the age of 18.
The movie is suitable for adults only due to its mature content.
A mature organism, especially in relation to its developmental stage.
The adult butterfly emerged from its chrysalis.
adjective
Of or relating to adults; suitable for or designed for adults.
The adult education program offers classes for all skill levels.
Mature in behavior or attitude.
She handled the situation with an adult perspective.

Etymology

From Latin 'adultus', meaning 'grown up'.

Common Phrases and Expressions

adulting
The practice of behaving in a responsible and mature manner, typically in relation to duties and responsibilities of adulthood.
adult film
A film that contains sexually explicit content intended for adult viewers.
adult education
Educational programs for adults, often providing opportunities for lifelong learning.

Related Words

adulthood
The state or condition of being an adult.
maturity
The state of being fully grown or developed.
minor
A person who is not yet an adult.

Slang Meanings

Grown-up things or responsibilities.
I can't wait to stop adulting and just have fun!
Adult content or entertainment, often with sexual themes.
That movie was strictly adult; it had a lot of explicit scenes.