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

And yet, a few Red Hot bangers manage to endlessly caravan in and out of lives because they’re in constant rotation on Jack FM and other adult contemporary radio stations: “Give It Away.”

From Salon • Apr. 4, 2026

My adult children received a legacy from a relative they loved, and the overall taxes will be lower.

From The Wall Street Journal • Apr. 3, 2026

He also has two adult offspring: Daughter Bo is from a previous relationship with Amanda Rushing; he shares son Spencir, 27, with his first wife.

From Los Angeles Times • Apr. 3, 2026

At the same time, the therapy also produced meaningful improvements in adult patients.

From Science Daily • Apr. 3, 2026

Betsie cut three slices from the round loaf of bread while I looked around the table trying to decide which adult would be most enthusiastic about my decision to stay at home.

From "The Hiding Place" by Corrie ten Boom