grownup
Americannoun
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.
Above all, size your positions like a grownup.
From MarketWatch • Mar. 26, 2026
Mr. Reiner later recalled that Norman Lear was the first grownup to say he was funny, when he was around 7 or 8.
From The Wall Street Journal • Dec. 15, 2025
For a more grownup affair, consider a caramel apple sangria.
From Washington Times • Nov. 15, 2023
Among these: Her castmates, as several of the grownup versions of the show’s characters are submitting as lead.
From Los Angeles Times • May 30, 2023
Sometimes I feel like the most grownup one in the house.
From "Crenshaw" by Katherine Applegate
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
