American English

Definition of grow up phrasal verb from the Oxford Advanced American Dictionary

 

grow up

 phrasal verb
phrasal verb
 
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Phrasal Verbs
  1. 1(of a person) to develop into an adult She grew up in Boston (= lived there as a child). Their children have all grown up and left home now. grow up to do something He grew up to become a famous pianist. related noun grown-up1
  2. 2 used to tell someone to stop behaving in a silly way Why don't you grow up! It's time you grew up.
  3. 3to develop gradually A closeness grew up between the two girls.
See the Oxford Advanced Learner's Dictionary entry: grow up