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English definition of “smarten (sb/sth) up”

smarten (sb/sth) up

mainly UK
verb uk phrasal verb with smarten   /ˈsmɑː.tən/ us    /ˈsmɑːr-/
to (cause to) become more clean, tidy, and stylish: She's really smartened herself up since she left university. You'll have to smarten up if you want to work in television.Cleaning and tidying places and thingsSmart and elegantAttractive
(Definition of smarten (sb/sth) up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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