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grownup

American  
[grohn-uhp] / ˈgroʊnˌʌp /

noun

  1. a mature, fully grown person; adult.


Etymology

Origin of grownup

First recorded in 1805–15; noun use of verb phrase grow up

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.

See Examples For:

Despite its daytime-television title, the film is a sensitively drawn character study about a grownup love affair, many years later, between those two kids.

From The Wall Street Journal ● Jul. 23, 2026

Above all, size your positions like a grownup.

From MarketWatch ● Mar. 26, 2026

For a more grownup affair, consider a caramel apple sangria.

From Washington Times ● Nov. 15, 2023

The star was the collection’s motif, seen on stretch dresses and pleated denim mini skirts worn with knee socks — caught somewhere between girlhood and the grownup world.

From Seattle Times ● Feb. 24, 2023

Roy wondered what made a grownup turn out so ill-tempered and obnoxious.

From "Hoot" by Carl Hiaasen

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