Thesaurus.com
Dictionary.com
Showing results for adult. Search instead for subadult.
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.

He had romantic connections with the two adult women shot and wounded, the mothers of the children.

From The Wall Street Journal • Apr. 20, 2026

The Scottish FA has gone further, banning heading the day before and after matches in the professional adult game.

From BBC • Apr. 20, 2026

While adult women still have about the same number of babies they used to, some are having them a little later in life than in the past.

From Salon • Apr. 20, 2026

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

So someday when Razi was an adult he could be back here and see the babies of one of these same turtles.

From "The Boy Who Met a Whale" by Nizrana Farook




Vocabulary lists containing adult