[ noun kos-toom, -tyoom; verb ko-stoom, -styoom ]
See synonyms for: costumecostumedcostumescostuming on

  1. a style of dress, including accessories and hairdos, especially that peculiar to a nation, region, group, or historical period.

  2. dress or garb characteristic of another period, place, person, etc., as worn on the stage or at balls.

  1. fashion of dress appropriate to a particular occasion or season: dancing costume; winter costume.

  2. a set of garments, especially women's garments, selected for wear at a single time; outfit; ensemble.

verb (used with object),cos·tumed, cos·tum·ing.
  1. to dress; furnish with a costume; provide appropriate dress for: to costume a play.

  1. of or characterized by the wearing of costumes: a costume party.

  2. meant for use with or appropriate to a specific costume: costume accessories.

Origin of costume

1705–15; <French <Italian: usage, habit, dress; doublet of custom

synonym study For costume

1. See dress.

Other words from costume

  • re·cos·tume, verb (used with object), re·cos·tumed, re·cos·tum·ing.
  • un·cos·tumed, adjective
  • well-costumed, adjective

Words Nearby costume Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use costume in a sentence

British Dictionary definitions for costume


/ (ˈkɒstjuːm) /

  1. a complete style of dressing, including all the clothes, accessories, etc, worn at one time, as in a particular country or period; dress: national costume

  2. old-fashioned a woman's suit

  1. a set of clothes, esp unusual or period clothes, worn in a play by an actor or at a fancy dress ball: a jester's costume

  1. to furnish the costumes for (a show, film, etc)

  2. to dress (someone) in a costume

Origin of costume

C18: from French, from Italian: dress, habit, custom

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012