Definition of in costume
: wearing a costume If all the actors are in costume, we're ready to begin. The waiters were all in ancient Roman costume.
Word by Word Definitions
: the prevailing fashion in coiffure, jewelry, and apparel of a period, country, or class
: an outfit worn to create the appearance characteristic of a particular period, person, place, or thing
: a person's ensemble of outer garments
: to provide with a costume
: to design costumes for
: characterized by the use of costumes
: suitable for or enhancing the effect of a particular costume
Seen and Heard
What made you want to look up in costume? Please tell us where you read or heard it (including the quote, if possible).