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

His case has remained pending while the other two adults charged with murder, Miller and Terry Young, ultimately pleaded guilty to lesser gun charges.

— Jack Harvel, Kansas City Star, 28 Aug. 2026
Much of the screen time communicating with other young people on the internet — some of the contacts are unknowingly mature adults — takes place late at night and into the wee morning hours.

— Steve Sadin, Chicago Tribune, 28 Aug. 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 2 Sep. 2026.

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Synonyms of grown-ups

noun

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