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

With nowhere to hide and no way to escape her Dobby costume, the teacher had no choice but to soldier through the day. —Tereza Shkurtaj, People.com, 30 Mar. 2025

Pikachu hasn't been the only inflatable costume spotted in amid the recent protests in Turkey. —Amaris Encinas, USA Today, 27 Mar. 2025

Verb

Beyond choreography, students take charge in areas such as costuming, leading rehearsals, staging and vocals. —Ainsley Northrop, The Mercury News, 10 Mar. 2025

First 1883, also costumed by Janie Bryant, and then 1923, which is now in its second season. —Rachel Elspeth Gross, Forbes, 9 Mar. 2025

Adjective

Angry Alan will feature scenic design by the dots collective, costume design by Qween Jean, lighting design by Isabella Byrd, sound design by Mikaal Sulaiman, video design by Lucy Mackinnon and properties by Addison Heeren. —Dave Quinn, People.com, 26 Mar. 2025

Angry Alan will feature scenic design by the dots collective, costume design by Qween Jean, lighting design by Isabella Byrd, sound design by Mikaal Sulaiman, video design by Lucy MacKinnon, and properties by Addison Heeren. —Greg Evans, Deadline, 26 Mar. 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