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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

“Maestro” and “May December” may prove a bit too polarizing, which leaves the gentle love story “Past Lives,” the multifaceted crime drama “Anatomy of a Fall,” and the grownup period piece “The Holdovers.”

From Los Angeles Times Feb. 12, 2024

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

From Washington Times Nov. 15, 2023

Of course Sam was almost a grownup himself.

From "My Brother Sam is Dead" by James Lincoln Collier and Christopher Collier

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