RIOT

[ri.ot] n [ME, fr. OF, dispute, fr. rioter to quarrel] (13c) 1 archaic a: profligate behavior: debauchery b: unrestrained revelry c: noise, uproar, or disturbance made by revelers

2. a: public violence, tumult, or disorder b: a violent public disorder; specif: a tumultuous disturbance of the public peace by three or more persons assembled together and acting with a common intent

3: a random or disorderly profusion "the woods were a ~ of color"

4: one that is wildly amusing "the new comedy is a ~"

[2]riot vi (14c) 1: to indulge in revelry or wantonness

2: to create or engage in a riot -- ri.ot.er n