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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.

See Examples For:

Clara says she was "so naive and vulnerable" at that age and had no sense of how "normal" this kind of behaviour was in an adult relationship.

From BBC Jul. 29, 2026

He started playing in adult leagues and became so invested that in his mid-30s, when a surgeon told him he’d torn his labrum, he said, “Is my career over?”

From Los Angeles Times Jul. 29, 2026

Curtailing financial support for adult children or grandchildren.

From MarketWatch Jul. 29, 2026

When you’re talking about converting as a working adult, you’re likely on your own to pay the tax.

From MarketWatch Jul. 28, 2026

“We’re minors without adult supervision. Can’t they bring us meals and send someone to keep us entertained until Mom comes back? That’s what the Guardian force would do if we weren’t considered fugitives.”

From "The Manifestor Prophecy" by Angie Thomas

That outpaced the average 76% of all adults saying they saw at least one movie in theaters.

From MarketWatch Jul. 29, 2026

In very high temperatures, especially for older adults or people who are dehydrated or unwell, fans alone may not be enough.

From Science Daily Jul. 29, 2026

"I didn't even know why. They never gave me a reason. The adults handled everything. They just kept taking me all around Europe, and everybody kept saying no."

From BBC Jul. 29, 2026

Yet these schools remain in operation because they provide solid middle-class employment opportunities for adults.

From The Wall Street Journal Jul. 28, 2026

According to the adults, Josie basically was an imaginary friend.

From "The School for Whatnots" by Margaret Peterson Haddix




Vocabulary lists containing adult


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