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English definition of “grown-up”

grown-up

noun [C]     /ˈɡrəʊn.ʌp/ US  /ˈɡroʊn-/
B2 an adult, used especially when talking to children: Ask a grown-up to cut the shape out for you.Kinds of menMen and womenKinds of womenMen and women
(Definition of grown-up noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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