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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.

Vicky and Dan Graybill estimate that they have gifted their adult children and grandchildren about $700,000 over the past few years.

From The Wall Street Journal • Jun. 6, 2026

Photos showed one of the seized Madagascar cockroaches was almost big enough to completely cover the palm of an adult hand.

From Barron's • Jun. 5, 2026

He’s an adult, living on his own and responsible for his own life and emotions.

From Los Angeles Times • Jun. 4, 2026

It has since become illegal to create or request a non-consensual deepfake image of an adult in the UK.

From BBC • Jun. 3, 2026

For what child does not like being treated kindly by an adult?

From "The Unseen Guest" by Maryrose Wood




Vocabulary lists containing adult


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