- tumult, tumultuousness, uproar, garboil - a state of commotion and noise and confusion
--1 is a kind of disturbance, disruption, commotion, stir, flutter, hurly burly, to-do, hoo-ha, hoo-hah, kerfuffle
--1 has particulars: combustion - hubbub, uproar, brouhaha, katzenjammer - loud confused noise from many sources
--2 is a kind of noise