The Collaborative International Dictionary of English v.0.48:
cannibalic \cannibalic\ adj. resembling a beast; showing lack of human sensibility. Syn: beastly, bestial, brute(prenominal), brutish. [WordNet 1.5] cannibaliseWordNet (r) 3.0 (2006):
cannibalic adj 1: marked by barbarity suggestive of a cannibal; rapaciously savage