grown-up Hear it!

grown-up definition

grown·-up (grōn′up′; for n., -up′)

adjective

  1. that is an adult
  2. of, for, or like an adult

noun

an adult
also written grownup grown′·up′

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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