Home›Browse›G›guest appearanceguest appearanceOur editors are putting together more complete content — check back in about 20 minutesguest appearanceguest appearance — nounnoun1. a brief performance by a well-known person in a show or event where they are not1.nounDefinitiona brief performance by a well-known person in a show or event where they are not a regular memberExampleThe singer made a guest appearance on the popular TV show.