1. wearing a costume or special clothing

Examples

• The costumed actors performed on stage.
• Children arrived at the party costumed as their favorite superheroes.
• The costumed dancers twirled in colorful traditional dress.
• Museum guides were costumed in period clothing from the 1800s.
• The costumed parade featured elaborate floats and performers.
• She felt confident in her carefully costumed appearance.