Source : WordNet®

predacious
     adj 1: hunting and killing other animals for food [syn: {predaceous}]
     2: living by or given to victimizing others for personal gain;
        "predatory capitalists"; "a predatory, insensate society
        in which innocence and decency can prove fatal"- Peter S.
        Prescott; "a predacious kind of animal--the early
        geological gangster"- W.E.Swinton [syn: {predaceous}, {predatory}]