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English definition of “grow up”

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grow up

verb uk phrasal verb with grow   /ɡrəʊ/ us    /ɡroʊ/ (grew, grown)

(PERSON)

A2 to gradually become an adult: I grew up in Scotland (= I lived there when I was young). Taking responsibility for yourself is part of the process of growing up.
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(CITY)

If a town or city grows up in a particular place or way, it develops there or in that way: The city grew up originally as a crossing point on the river.
(Definition of grow up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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