rapaciousEnglishOxford English Thesaurusrapacious adjective rapacious landlords: grasping, greedy, avaricious, acquisitive, covetous, mercenary, materialistic, insatiable, predatory, voracious, usurious, extortionate; informal money-grubbing; North American, informal grabby. ▷antonyms generous.rapacious Oxford Dictionary of English