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English definition of “riot”

riot

noun [C]  /ˈrɑɪ·ət/ us  
a noisy and violent public gathering: The streets in this district include South Central Los Angeles, where the riots broke out two years ago. infml A riot is also something very amusing: [C usually sing] The show was a riot.
riot
verb [I]  /ˈrɑɪ·ət/ us  
Inmates rioted yesterday at the prison.
rioter
noun [C]  /ˈrɑɪ·ət̬·ər/ us  
The police said 80 rioters had been arrested.
(Definition of riot from the Cambridge Academic Content Dictionary © Cambridge University Press)
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