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Definitions

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.

Communal washing machines line the utility room, bills are divided so each adult pays £115 a month and the storeroom is stocked with canned vegetables from the allotment.

From BBC • Jun. 5, 2026

Photos showed one of the seized Madagascar cockroaches was almost big enough to completely cover the palm of an adult hand.

From Barron's • Jun. 5, 2026

Parents told us they are spending money to help their adult children with child care, rent, down payments for homes and vacations.

From The Wall Street Journal • Jun. 4, 2026

He’s an adult, living on his own and responsible for his own life and emotions.

From Los Angeles Times • Jun. 4, 2026

It seemed that every adult disagreed with me.

From "The Many Assassinations of Samir, the Seller of Dreams" by Daniel Nayeri




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