amuck

Adjective

• frenzied as if possessed by a demon
  • the soldier was completely amuck
    
  • berserk with grief
    
  • a berserk worker smashing windows
    

Adverb

• in a murderous frenzy
  • rioters running amuck and throwing sticks and bottles and stones
    

• wildly; without self-control
  • when the restaurant caught fire the patrons ran amuck, blocking the exit
    

Related words

• Synonyms: 
  amok , berserk , demoniac , demoniacal , possessed(p) , murderously