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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.

Prosecutor Michael Robertson asked Belov: "You were the adult in this situation, you could have just walked away couldn't you?"

From BBC • Jun. 11, 2026

Coyotes and other canids serve as the primary hosts for adult tapeworms.

From Science Daily • Jun. 11, 2026

People she met included a widow estranged from her adult children over financial woes, who stored piles of their belongings at their mother's home.

From Barron's • Jun. 11, 2026

I have two weddings coming up this year, and this will be my first time attending a wedding as an adult.

From MarketWatch • Jun. 9, 2026

The words are big and adult, but I know them as well as I know the curves of my own face.

From "The Wrong Way Home" by Kate O’Shaughnessy




Vocabulary lists containing adult


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