[syn: predaceous, predacious, predatory]
The Collaborative International Dictionary of English v.0.48:
Predaceous \Pre*da"ceous\, a. [L. praeda prey. See Prey.]
   Living by prey; predatory. --Derham.
   [1913 Webster]
WordNet (r) 3.0 (2006):
predaceous
    adj 1: hunting and killing other animals for food [syn:
           predacious, 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, predacious,
       predatory]