1
                    
        a
    
          
                                          
              
          
                                                      : a violent public disorder                                      
                
                                
            specifically                
          
                                                      : a tumultuous disturbance of the public peace by three or more persons assembled together and acting with a common intent                                      
            
            
        b
    
          
                                          
              
          
                                                      : public violence, tumult, or disorder                                      
                
                    
2
                    
                                          
              
          
                                                      : a random or disorderly profusion                                      
              
                             
the woods were a riot of color
                         
                
                    3
                    
                                          
              
          
                                                      : one that is wildly amusing                                      
              
                             
the new comedy is a riot
                         
                
                    4
                    
              
              
                archaic      
          
      
        a
    
          
                                          
              
          
                                                      : profligate behavior : debauchery                                      
                
                    
        b
    
          
                                          
              
          
                                                      : unrestrained revelry                                      
                
                    
        c
    
          
                                          
              
          
                                                      : noise, uproar, or disturbance made by revelers                                      
                
                    
            
              rioted; rioting; riots            
        
    
                                                      rioter
                                      noun
                                                                            
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  Merriam-Webster unabridged




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