riot riot /ˈraɪət/

noun

1. () A public act of violence by an unruly mob  ( public violence , riot )
   a public act of violence by an unruly mob
   
2. [Archaic] A wild gathering involving excessive drinking and promiscuity  ( bacchanal , bacchanalia , debauchery , debauch , drunken revelry , orgy , riot [Archaic] , saturnalia )
   a wild gathering involving excessive drinking and promiscuity
    The city's nightlife is infamous for its wild debauch.
   The city's nightlife is infamous for its wild debauch.
   
   
3. [Informal] A joke that seems extremely funny  ( belly laugh , howler , riot [Informal] , scream [Informal] , sidesplitter , thigh-slapper , wow )
   a joke that seems extremely funny
   
4. A state of disorder involving group violence  ( riot , rioting )
   a state of disorder involving group violence
   
   

verb

1. Engage in boisterous, drunken merrymaking  ( carouse , riot , roister )
   engage in boisterous, drunken merrymaking
    They were out carousing last night
   They were out carousing last night
   
2. Take part in a riot; disturb the public peace by engaging in a riot  ( riot )
   take part in a riot; disturb the public peace by engaging in a riot
    Students were rioting everywhere in 1968
   Students were rioting everywhere in 1968