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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:

"These findings suggest that releasing subadult and adult captive-reared crocodiles can be a viable strategy to strengthen wild populations," Associate Professor Somaweera said.

From Science Daily Sep. 14, 2026

James claimed he was handling the case of Monk’s incarcerated adult child.

From The Wall Street Journal Sep. 14, 2026

Even as an adult, I was not fully settled into a point of view until my 40s.

From Los Angeles Times Sep. 14, 2026

Part of this work - due to report back next year - will "discuss alternative models that could be considered in future to deliver a fair and affordable adult care system".

From BBC Sep. 13, 2026

“Even as an adult, he seemed haunted by that place.”

From "The Sea in Winter" by Christine Day

A systematic review published in August 2026 examined 23 randomized trials of sucralose and cardiometabolic outcomes in healthy adults.

From Science Daily Sep. 14, 2026

Barbu married a Romanian woman, Maria, in 2004 and had twins, who are now adults.

From BBC Sep. 14, 2026

In a randomized study published in Nature Metabolism in March 2025, 75 young adults consumed drinks containing sucralose, an equally sweet amount of sugar, or water on separate visits.

From Science Daily Sep. 14, 2026

They regard themselves as the DSA’s adults, with cocktail parties that feature elected officials and networking.

From The Wall Street Journal Sep. 12, 2026

I overheard her telling one of the other adults.

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




Vocabulary lists containing adult


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