Definition of 'costume'

Noun

1. the attire worn in a play or at a fancy dress ball; "he won the prize for best costume"
2. unusual or period attire not characteristic of or appropriate to the time and place; "in spite of the heat he insisted on his woolen costume"
3. the prevalent fashion of dress (including accessories and hair style as well as garments)
4. the attire characteristic of a country or a time or a social class; "he wore his national costume"

Verb

1. dress in a costume; "We dressed up for Halloween as pumpkins"
      Synonyms: dress up
2. furnish with costumes; as for a film or play

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