Synonyms and related words :
all-devouring, all-engulfing, avaricious, bloodsucking, carnivorous, despoiling, extortionate, grabby, grasping, greedy, larcenous, looting, lupine, marauding, parasitic, pillaging, plundering, plunderous, predacious, rapacious, raptorial, ravaging, ravening, ravenous, robbing, sharkish, spoliatory, thieving, usurious, voracious, vulturine, vulturous, wolfish