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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.

First it was photographed off the coast of Bahia, Brazil in 2003 with eight other adult humpbacks.

From Barron's • May 20, 2026

Under the planned tax credit in Connecticut, caregivers can receive up to $2,000 a year for expenditures for home modifications, necessary medical equipment and services like home health aides, adult day care and respite care.

From MarketWatch • May 20, 2026

At the time, it was swimming in a lively group of nine adult whales.

From Science Daily • May 20, 2026

From early years support to adult rehabilitation, they say their workforce is responding to more diverse and intensive demands than ever before.

From BBC • May 17, 2026

“You’re an adult, and you still wanted a friendship bracelet?”

From "The School for Whatnots" by Margaret Peterson Haddix




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