WordWeb Online

1. A state of disorder involving group violence
   - riot

1. Take part in a riot; disturb the public peace by engaging in a riot
   "Students were rioting everywhere in 1968"
    
2. Engage in boisterous, drunken merrymaking
   - carouse, roister

Derived forms: riotings

See also: rioter

Type of: disorder, jollify, make happy, make merry, make whoopee, racket, rampage, revel, wassail [archaic], whoop it up

Encyclopedia: Riot Riot, Riot, Upstart