parasitic

relating to or caused by parasites

• “parasitic infection”

of or pertaining to epenthesis

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”