a loud confused noise caused by a large number of people behaving boisterously; a commotion
The bugles blew madly for more pickets with officers to control the tumult — Kipling
a state of violent mental or emotional agitation
He walked away with a tumult of thoughts in his head — Somerset Maugham
a confusion or disordered medley, e.g. of sounds or colours
[Middle English via French from Latin tumultus, from tumere to swell]