hysterics
noun
                                                                                                                            
                                                            hys·ter·ics
                    
                                                                                                              
                                                                                                                                  hi-ˈster-iks  
                                                      
                                                          
            
            
               plural in form but singular or plural in construction             
        
    
                                
              
          
                                                      : a fit of uncontrollable laughter or crying                                      
                
                    
Love words? Need even more definitions?
  
  Merriam-Webster unabridged




Share