DictionarycostumeDistinctive clothing
noun / verb

costume

KAHS-toom/ˈkɑːstuːm/

Clothing characteristic of a particular identity or setting, or dressing someone in it.

She wears a pirate costume to the neighborhood Halloween party.

An adult wears a handmade pirate costume with plain tricorn hat, sash and costume coat, holding a harmless wooden prop; neutral dressing-room context, no skull logo or letters.
Etymology

The underlying idea is custom: a costume represented the dress customary to a particular time or place. Its use in art for historically appropriate clothing connects that idea to dressing as a character or role.

In context

Sappho The Witch3:10
She doesn't feel like somebody sitting in a costume department saying, "How do we make her look like a lesbian?" She just exists. She's got masculine clothes and masculine energy
Are Butch Lesbians Being Erased From TV?

More examples

  • The dancers perform in traditional costumes from their region.
  • The museum displays a riding costume from the nineteenth century.
  • The designer costumes the actors as medieval knights.

Forms

costume · costumes · costumed · costuming

costumer noun — A person who makes or supplies costumes.

Similar words

outfit
Any coordinated set of clothes, not necessarily representing an identity.
disguise
Clothing or other changes intended to conceal someone's identity.