tumultuous UK /tjʊˈmʌl.tjʊ.əs/US /tuˈmʌl.t͡ʃu.əs/ adjective2 •Causing or characterized by tumult; chaotic, disorderly, turbulent.In his first address to a joint session of Congress, after a tumultuous first month in office, Mr [Donald] Trump delivered a conventional speech in a conventional manner. — 2017 •Characterized by loud, confused noise.Down showers tumultuous music from the belfry of Old Trinity— / Merry chiming for His birth, and gave songs for His Divinity! — 1865 formsmore tumultuous · most tumultuous