Pronunciation (UK) IPA (key): /ˈsɜːkəs/ (US) IPA (key): /ˈsɝkəs/ Audio (US)(file) Noun Singular circus Plural circuses A circus is a group of travelling performers, often with clowns, acrobats, jugglers, and even animals. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads