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Showing results for adult.
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.

The case occurred in an unvaccinated adult who had close contact with someone who had traveled internationally, the San Francisco Department of Public Health said.

From Los Angeles Times • Apr. 18, 2026

At $30, adult admission to see the 44th president’s story is more than at any other U.S. presidential library, a Wall Street Journal review shows.

From The Wall Street Journal • Apr. 16, 2026

We are both in our early 50s, and we both have adult children.

From MarketWatch • Apr. 16, 2026

Yes, really: This idea is the impetus for exploring, in the film, whether reducing plastics can help adult men conceive.

From Slate • Apr. 16, 2026

For the record, this is the only time I’d ever call an adult by their first name.

From "The Manifestor Prophecy" by Angie Thomas




Vocabulary lists containing adult