Source : WordNet®

amok
     adj : in a murderous frenzy as if possessed by a demon; "the
           soldier was completely amuck"; "berserk with grief"; "a
           berserk worker smashing windows" [syn: {amuck}, {berserk},
            {demoniac}, {demoniacal}, {possessed(p)}]
     adv 1: wildly; without self-control; "when the restaurant caught
            fire the patrons ran amuck, blocking the exit" [syn: {amuck}]
     2: in a murderous frenzy; "rioters running amuck and throwing
        sticks and bottles and stones" [syn: {amuck}, {murderously}]