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adult

[uh-duhlt, ad-uhlt] / əˈdʌlt, ˈæd ʌlt /
ADJECTIVE
being mature, fully grown
Synonyms
Antonyms


NOUN
a mature, fully grown person
Synonyms
STRONGEST
STRONG
grownup
WEAK
Antonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

We asked a group of economists and personal finance authors about financially supporting adult children—including their own.

From The Wall Street Journal • May 30, 2026

The team compared young, adult, and old fish, examining many aspects of protein production inside brain cells.

From Science Daily • May 29, 2026

Bateman’s adult “comeback” has lasted 21 years and counting.

From Los Angeles Times • May 28, 2026

The Home Office says the technology will make it easier to identify adult migrants "attempting to game the system", after initial testing indicated "promising performance and accuracy".

From BBC • May 28, 2026

Many of my adult friends felt conflicted—both wanting greater freedom for their children and fearing for their safety as they fought to integrate American society.

From "Reaching for the Moon" by Katherine Johnson




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