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Synonyms

grown-up

American  
[grohn-uhp] / ˈgroʊnˈʌp /

adjective

  1. having reached the age of maturity.

  2. characteristic of or suitable for adults.

    grown-up behavior; grown-up fiction.


grown-up British  

adjective

  1. having reached maturity; adult

  2. suitable for or characteristic of an adult

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. an adult

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of grown-up

First recorded in 1625–35; adj. 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.

Grown up and living in Los Angeles, California, Boyce often visited schools and talked about the Clinton 12.

From Washington Post • Feb. 26, 2019

Grown up, the Phils particularly resented Sawyer's dictum against wives at spring training, his strict curfews.

From Time Magazine Archive

Grown up, their look is zoot-suit city: double-breasted and pin-stripe for the gents, shoulder pads and scarlet lipstick for the lady.

From Time Magazine Archive

Grown up a beauty, too, and with the manners of a lady.

From The Dop Doctor by Dehan, Richard

Grown up, in good truth, and a very prosperous-looking young man was Emilio.

From A Busy Year at the Old Squire's by Stephens, C. A. (Charles Asbury)