Thesaurus.com
Dictionary.com
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.

Ostensibly, there was no reason for a childless adult like me to watch it — unless said adult also happened to be a lifelong anime fan.

From Salon • Jul. 8, 2026

The average U.S. adult correctly answered less than four of the eight questions — 3.7 of them, to be exact.

From MarketWatch • Jul. 8, 2026

He left the U.S. at 2 months old and only returned as an adult three years ago to play for our national soccer team.

From Los Angeles Times • Jul. 8, 2026

By comparison, the recommended daily salt intake for an adult in the UK is 6g.

From Science Daily • Jul. 7, 2026

All that they knew, they had learned from eavesdropping on adult conversations.

From "The Long-Lost Home" by Maryrose Wood




Vocabulary lists containing adult


Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "adult" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com