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English definition of “dress up”

dress up

phrasal verb with dress     /dres/ verb
FORMAL to put on formal clothes for a special occasion: Weddings are a great opportunity to dress up.Decorating or making something attractivePutting clothes on
SPECIAL to wear special clothes in order to change your appearance, usually for a game or party: He dressed up as Superman for the party.Decorating or making something attractivePutting clothes on
(Definition of dress up from the Cambridge Learner's Dictionary © Cambridge University Press)

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