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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.

Eight existing prisons have been tasked with preparing special sections for children, where they will be kept separate from adult inmates.

From Barron's • Jun. 11, 2026

Though Anthony was 17 at the time of the murder on 2 April 2025, under Texas law he was able to be charged as an adult.

From BBC • Jun. 10, 2026

All the adult actors are very pretty, including the women, though the calculation—a helpful one—was to cast performers who don’t resemble the younger selves of the present-day characters.

From The Wall Street Journal • Jun. 9, 2026

The most effective strategy involved sterilizing about 22% of adult female koalas each year in areas with the highest population densities rather than applying the approach across the entire region.

From Science Daily • Jun. 8, 2026

“She has to keep her distance to make sure the arrows reveal themselves to you. You remember what happened the other times. Being an adult must suck.”

From "The Way to Rio Luna" by Zoraida Cordova




Vocabulary lists containing adult


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