living by preying on other animals especially by catching living prey; "a predatory bird"; "the rapacious wolf"; "raptorial birds"; "ravening wolves"; "a vulturine taste for offal"
of plants or persons; having the nature or habits of a parasite or leech; living off another; "a wealthy class parasitic upon the labor of the masses"; "parasitic vines that strangle the trees"; "bloodsucking blackmailer"; "his indolent leechlike existence"
relating to or caused by parasites; "parasitic infection"