Chorus lines are an integral part of any musical or dance performance. They add depth to a performance and accentuate the lead performer's movements. Synonyms for chorus lines include chorus dancers, ensemble dancers, backup dancers, and supporting dance troupe. These dancers perform coordinated movements in unison, providing a backdrop for the lead performer's actions. They often wear matching costumes and usually take up the majority of the stage. The chorus line adds elegance and richness to a performance, and synonyms for these groups of dancers reflect just how important they are to the success of a show.