Thesaurus.com
Dictionary.com
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 adult version of Ruben is played by series creator and writer Richard Gadd, who had his TV breakthrough with Netflix hit Baby Reindeer.

From BBC • Apr. 24, 2026

When my wife and I moved to a smaller house, we stored some stuff that was precious to us and, more significantly, important to our two adult sons.

From The Wall Street Journal • Apr. 22, 2026

Juveniles in the U.S. are subject to a separate justice system, which focuses more on rehabilitation than the adult system, because of children’s ongoing development.

From Los Angeles Times • Apr. 22, 2026

Enderby costs an adult £12 for a nine hole round on a weekend.

From BBC • Apr. 22, 2026

Older teens and adult women wore floor-length dresses.

From "American Spirits" by Barb Rosenstock




Vocabulary lists containing adult