A style of dress, including garments, accessories and hairstyle, especially as characteristic of a particular country, period or people. / An outfit or a disguise worn as fancy dress etc.

To dress or adorn with a costume or appropriate garb.

simple past tense and past participle of costume

Wearing a costume; disguised.

plural of costume

Third-person singular simple present indicative form of costume

A person who designs, makes or supplies theatrical costumes; a costumier. / A person who wears a costume or takes part in cosplay. / (informal) A costume drama.

plural of costumer

present participle of costume

Material for making costumes. / The putting on of a costume; dressing up.