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English definition of “grow up”

grow up

phrasal verb with grow
 
 
/ɡrəʊ/ verb (past tense grew, past participle grown)
BECOME ADULT A2 to become older or an adult: She grew up in New York.Young peoplePhysically and mentally mature and immature
DEVELOP to develop or become bigger or stronger: A close friendship had grown up between them.Enlarging and inflatingBecoming bigger
(Definition of grow up from the Cambridge Learners Dictionary © Cambridge University Press)
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