pre·da·ceous also pre·da·cious 
(prĭ-dāshəs)
(prĭ-dāshəs)adj.
1. Living by seizing or taking prey; predatory.
2. Given to victimizing, plundering, or destroying for one's own gain.
[From Latin praedārī, to plunder; see PREDATORY.]
pre·daci·ty (-dăsĭ-tē) n.