grownup

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A form of grown-up — Adult, physically mature.

Similar
adultbigfull-grownfully growngrownmature
UncommonScrabble 13
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Meanings

noungrownup (plural grownups)

plural grownups

  1. alternativeAlternative form of grown-up.
adjectivegrownup (comparative more grownup, superlative most grownup)

comparative more grownup · superlative most grownup

  1. alternativeAlternative form of grown-up.

Synonyms & antonyms

adjective(of animals) fully developed

Similar
adultbigfull-grownfully growngrownmature

nouna fully developed person from maturity onward

Similar
adult
Broader
personindividualsomeone
Also see
adultbigfull-growngrowngrown-assgrown-up

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

grownup. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/grownup

MLA

“grownup.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/grownup. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “grownup,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/grownup.

Source: grownup on Wiktionary, CC BY-SA 4.0.