boisterous Play adjectiveNoisy, energetic, and cheerful. SYNONYMS abandonedactiveanimatedbouncyclamorousclangorousdisorderlyebullientexcitedexuberantfriskyhigh-spiritedin high spiritsknockaboutlivelyloudnoisyoverexcitedriotousrip-roaringroisteringrollickingrompingroughrowdyrumbustiousspiritedtumultuousuncontrolledundisciplineduninhibitedunrestrainedunrulyuproariousvibrantwild