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.

See Examples For:

Mitchell, 52, is not especially well known in America, outside the not inconsiderable number of us who live on British humor, but he’s spent his whole adult life making comedy.

From Los Angeles Times ● Oct. 13, 2026

He was taught to read by an adult education project - and he proudly shows the copy of JK Rowling's Harry Potter and the Philosopher's Stone that has become his own stepping stone to literacy.

From BBC ● Oct. 10, 2026

When I interview parents who are estranged from their adult children, many say: “My child cut me off out of the blue. I didn’t see it coming.”

From The Wall Street Journal ● Oct. 10, 2026

But she is trapped by a K-pop system that forbids her from drinking alcohol and having adult relationships.

From BBC ● Oct. 10, 2026

The last thing he needed was an adult to think he was talking to himself.

From "The Way to Rio Luna" by Zoraida Cordova

Medicare Advantage plans with higher ratings get extra payments and can be used by older adults to shop for their health coverage during Medicare’s open-enrollment season, which begins Oct.

From MarketWatch ● Oct. 13, 2026

The preliminary results suggested that exercise could lower autophagy activity in blood cells toward levels more typical of younger adults.

From Science Daily ● Oct. 13, 2026

For John and Adelaide, adults are not the only enemies.

From Los Angeles Times ● Oct. 13, 2026

Farms often charge an entry fee which can vary significantly, from around £2 to £15 per person, for children and adults alike.

From BBC ● Oct. 12, 2026

I know the adults may not let her see it; but even if there’s the tiniest chance it’ll get to her, it’s worth it.

From "The Wrong Way Home" by Kate O’Shaughnessy




Vocabulary lists containing adult


Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training