'predacious' definitions:

Definition of 'predacious'

(from WordNet)
adjective
Hunting and killing other animals for food [syn: predacious, predaceous]
adjective
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]