Synonyms for Parasitic (same or very similar meaning)
WordNet sense 1 (relating to or caused by parasites):
parasiticalWordNet sense 2 (of or pertaining to epenthesis):
epentheticWordNet sense 3 (of plants or persons; having the nature or habits of a parasite or leech; living off another):
bloodsucking, leechlikeWordNet sense 4 (not independent):
dependentFrom the ODE community, based on WordNetadd/edit