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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.

All three of the victims were adult males, Wahl said.

From The Wall Street Journal • May 18, 2026

“But that’s not an adult way to handle it,” Harris said between errands in Monrovia’s quaint shopping district.

From Los Angeles Times • May 17, 2026

And add to that, London's adult population between 1996 and 2021 grew by 29%, while the number of homes only grew by 23%.

From BBC • May 17, 2026

Scientists say the Riodeva fossil site continues to yield valuable material, including additional bones from the same adult dinosaur and rare juvenile remains.

From Science Daily • May 17, 2026

Given my job now, why didn’t Frances Miranda Gonzagaga ever arrange to update my exterior shell to make me look like an adult?

From "The School for Whatnots" by Margaret Peterson Haddix




Vocabulary lists containing adult


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