WordWeb Online

1. Frenzied as if possessed by a demon
   "the soldier was completely amuck"
   - amok, berserk, demoniac, demoniacal, possessed

1. Wildly; without self-control
   "when the restaurant caught fire the patrons ran amuck, blocking the exit"
   - amok
    
2. In a murderous frenzy
   "rioters running amuck and throwing sticks and bottles and stones"
   - amok, murderously

See also: insane

Encyclopedia: Amuck