Adult

/ˈædʌlt/

nounBeginnerVery CommonLegal

Definitions

2 meanings
1

A person who has reached the legal age of majority.

/ˈædʌlt/

nounneutralBeginner
Legal

A grown-up person

She's a responsible adult.

💡 Simply: A fully grown person.

More Examples

2

Only adults are allowed in this bar.

How It's Used

General

"The adult population of the city is increasing."

Legal

"Only adults can vote in this election."

2

Having reached full development or maturity.

/ˈædʌlt/

adjectiveneutralIntermediate
General

Fully developed

The adult form of the insect is quite different from the larva.

💡 Simply: Fully grown.

More Examples

2

This is an adult plant.

How It's Used

Biology

"The adult insect has wings."

Tip:Fully developed, like a fully grown organism.

From Middle French adulte, from Latin adultus, past participle of adulescere "to grow up," from ad- "to" + -olescere "to grow."

Historically, the word's usage often implied a contrast with youth and immaturity.

Memory tip

Think of 'grown-up' or 'mature'.

adoultadulte

Usage

70%Spoken
30%Written