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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.

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You also have no debt, no mortgage and no outstanding obligations to your adult children.

From MarketWatch ● Nov. 4, 2026

We recently told you about the rampant grift in New York’s Medicaid “social adult day care” program.

From The Wall Street Journal ● Nov. 3, 2026

The AI illustration has pulled liberally from all three trilogies, placing the adult faces of Mark Hamill and Carrie Fisher on the children.

From Salon ● Nov. 3, 2026

As a young adult, Bass began working as a physician assistant at Children’s Hospital and other facilities.

From Los Angeles Times ● Nov. 2, 2026

Each adult chicken will drink approximately 2 cups of water per day.

From "Unusual Chickens for the Exceptional Poultry Farmer" by Kelly Jones

Teenagers and young adults strive for deeper conversations.

From The Wall Street Journal ● Nov. 5, 2026

They compared cognitively healthy young adults in their early 20s with older participants ranging from their mid-60s to mid-70s.

From Science Daily ● Nov. 5, 2026

Across the country, roughly 2.6 million LGBTQ+ adults are parents to minor children.

From Slate ● Nov. 4, 2026

The same survey found that 30% of adults between the ages of 19 and 64 are paying off medical debt.

From MarketWatch ● Nov. 4, 2026

“Grown-up relationships can be very complicated. Not even adults understand them sometimes.”

From "The Brightwood Code" by Monica Hesse


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