GROWN-UPS Synonyms: 35 Similar and Opposite Words

grown-ups

noun

plural of grown-up

as in adults

a fully grown person once you turn 12, you get to eat with the grown-ups at Thanksgiving

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Recent Examples of Synonyms for grown-ups

adults

Noun

Pew’s latest Religious Landscape Study found that 62% of US adults identified as Christian in 2023-24, while 29% had no religious affiliation.

— Nimi Princewill, CNN Money, 4 Sep. 2026
Worse, our population is aging, and the number of working adults contributing to the tax base is dwindling.

— Washington Post, Washington Post, 4 Sep. 2026

Definition of adults

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grown up

grown-ups

grows

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“Grown-ups.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/grown-ups. Accessed 5 Sep. 2026.

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Synonyms of grown-ups

noun

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