Cosplay, a portmanteau of "costume play", is an activity and performance art in which participants called cosplayers wear costumes and fashion accessories to represent a specific character. Cosplayers often interact to create a subculture, and a broader use of the term "cosplay" applies to any costumed role-playing in venues apart from the stage. Any entity that lends itself to dramatic interpretation may be taken up as a subject. Favorite sources include anime, cartoons, comic books, manga, television series, rock music performances, video games and in some cases, original characters. The term is composed of the two aforementioned counterparts – costume and role play.

Costume is the distinctive style of dress or cosmetic of an individual or group that reflects class, gender, profession, ethnicity, nationality, activity or epoch. In short costume is a cultural visual of the people.