grow up

Etymology

Definitions

1. 1

   To mature and become an adult.

   • What do you want to be when you grow up?
   • Attila grew up a nomad on the plains of Hungary
   • I'm in the place where I grew up, where my alma mater is.
2. 2

   To start to develop

   To start to develop; to flourish.

   • Socialism grew up in the industrial cities.
3. 3

   To stop acting as or like a child (often used as an imperative interjection).

   • Will you grow up please, and stop making silly faces?
4. ›+ 1 more definitionshow fewer

   1. 4

      Used to criticize childish behavior, especially that considered unreasonable for one's…

      Used to criticize childish behavior, especially that considered unreasonable for one's age.

      • You're giggling because I said "butt"? Grow up, seriously.
      • Grow up! The Bible is nothing more than a astrotheological allegory for things like the Sun!

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