[ noun kos-toom, -tyoom; verb ko-stoom, -styoom ]
/ noun ˈkɒs tum, -tyum; verb kɒˈstum, -ˈstyum /


verb (used with object), cos·tumed, cos·tum·ing.

to dress; furnish with a costume; provide appropriate dress for: to costume a play.


of or characterized by the wearing of costumes: a costume party.
meant for use with or appropriate to a specific costume: costume accessories.

Nearby words

  1. costotransverse ligament,
  2. costotransversectomy,
  3. costovertebral,
  4. costoxiphoid,
  5. costrel,
  6. costume jewellery,
  7. costume jewelry,
  8. costume piece,
  9. costumer,
  10. costumery

Origin of costume

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

Related formsre·cos·tume, verb (used with object), re·cos·tumed, re·cos·tum·ing.un·cos·tumed, adjectivewell-cos·tumed, adjective

Synonym study

1. See dress. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for costume

British Dictionary definitions for costume


/ (ˈkɒstjuːm) /


a complete style of dressing, including all the clothes, accessories, etc, worn at one time, as in a particular country or period; dressnational costume
old-fashioned a woman's suit
a set of clothes, esp unusual or period clothes, worn in a play by an actor or at a fancy dress balla jester's costume

verb (tr)

to furnish the costumes for (a show, film, etc)
to dress (someone) in a costume

Word Origin for 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

Word Origin and History for costume
Online Etymology Dictionary, © 2010 Douglas Harper