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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 Kenneth C. Griffin Museum of Science and Industry, not far away on the city’s South Side, is $25.95 for an adult.

From The Wall Street Journal • 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

Three measles deaths were reported nationally last year — two among unvaccinated school-age children in Texas and one in an unvaccinated adult in New Mexico.

From Los Angeles Times • Apr. 16, 2026

New college grads are starting their adult lives in a challenging environment.

From MarketWatch • Apr. 14, 2026

I’m just a seventh grader, and everybody else here is an adult, thought Natalie.

From "Two Degrees" by Alan Gratz




Vocabulary lists containing adult