costume

1 of 3

noun

cos·​tume ˈkä-ˌstüm 

-ˌstyüm,

 also  -stəm,

or

ˈkäs-ˌchüm 

1

: the prevailing fashion in coiffure, jewelry, and apparel of a period, country, or class

2

: an outfit worn to create the appearance characteristic of a particular period, person, place, or thing

Halloween costumes

3

: a person's ensemble of outer garments

especially : a woman's ensemble of dress with coat or jacket

costumey adjective

costume

2 of 3

verb

cos·​tume kä-ˈstüm 

-ˈstyüm,

 also  käs-ˈchüm;

 or  ˈkä-ˌst(y)üm,

or

ˈkäs-ˌchüm 

or

-stəm 

costumed; costuming

transitive verb

1

: to provide with a costume

2

: to design costumes for

costume a play

costume

3 of 3

adjective

cos·​tume ˈkä-ˌstüm 

-ˌstyüm,

 also  -stəm,

 or  ˈkäs-ˌchüm

1

: characterized by the use of costumes

a costume ball

a costume drama

2

: suitable for or enhancing the effect of a particular costume

a costume handbag

Synonyms

Noun

• drag
• dress
• garb
• getup
• guise
• outfit
• togs

Verb

• apparel
• array
• attire
• bedeck
• caparison
• clothe
• deck (out)
• do up
• dress
• dress up
• enrobe
• garb
• garment
• get up
• gown
• habit
• invest
• rig (out)
• robe
• suit
• tog (up or out)
• toilet
• vesture

Examples of costume in a Sentence

Noun

children in their Halloween costumes

a formal 18th-century Japanese costume

Verb

the days when people, costumed in their Sunday best, would parade along the grand avenue on Easter

Adjective

You're invited to a costume party!

Recent Examples on the Web

Noun

Baldoni’s lawyer, Bryan Freedman, defended Kelly during her legal dispute with NBC News when she was pushed out for defending Halloween costumes that involved blackface and still received the full $69 million from her contract. —Mabinty Quarshie, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 21 Feb. 2025

For the second part of the performance, Smith did a costume change. —Mikelle Street, WWD, 21 Feb. 2025

Verb

Avalon got her taste of costuming during the pandemic when Bogard hired a college student (Jared Davis) to teach the art of costuming. —News Release, San Diego Union-Tribune, 1 Feb. 2025

Image While costuming the Arabian army, Ms. Dalton immersed herself in research, spending months in the desert with tribes and making sure that her designs — including the above sketch of Mr. O’Toole’s robe — reflected the slightest color changes among different groups. —Ash Wu, New York Times, 1 Feb. 2025

Adjective

The evening celebrated three costume designers for their work through the years. —Ryma Chikhoune, WWD, 7 Feb. 2025

Three decades in the making, the stunning, informative presentation takes visitors inside the minds of costume directors with displays that explain not only the functionality and versatility of the costumes, but the safety aspects incorporated into them. —Ryan Slattery, Travel + Leisure, 29 Jan. 2025

Word History

Etymology

Noun

French, from Italian, custom, dress, from Latin consuetudin-, consuetudo custom — more at custom

First Known Use

Noun

1668, in the meaning defined at sense 1

Verb

1802, in the meaning defined at sense 1

Adjective

1800, in the meaning defined at sense 1

Phrases Containing costume

• bathing costume
• costume drama
• costume jewelry
• in costume
• national costume
• swimming costume

Rhymes for costume

• assume
• backroom
• ballroom
• barroom
• bathroom
• bedroom
• boardroom
• bridegroom
• classroom
• cloakroom
• consume
• courtroom

Kids Definition

costume

1 of 2 noun

cos·​tume ˈkäs-ˌt(y)üm 

1

: the style of clothing, ornaments, and hair characteristic of a certain period, region, or class

ancient Roman costume

peasant costume

2

: special or fancy dress (as for wear on the stage or at a masquerade party)

3

: a person's outer clothing

costume adjective

costume

2 of 2 verb

costumed; costuming

: to provide with a costume