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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.

Prosecutor Michael Robertson asked Belov: "You were the adult in this situation, you could have just walked away couldn't you?"

From BBC • Jun. 11, 2026

Coyotes and other canids serve as the primary hosts for adult tapeworms.

From Science Daily • Jun. 11, 2026

Social media services, including adult content platforms, would also face new requirements under the law to "mitigate risks associated with exposure" to various categories of harmful content and apply labels to synthetically generated content.

From Barron's • 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

G talked to me like an adult, which is another thing I’ve always loved about her.

From "Popcorn" by Rob Harrell




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