1. (noun)parasite an animal or plant that lives in or on a host (another animal or plant); it obtains nourishment from the host without benefiting or killing the host Synonyms: leech, sponger, sponge Antonyms: host
2. (noun)leech, parasite, sponge, sponger a follower who hangs around a host (without benefit to the host) in hope of gain or advantage Synonyms: sponger, parasite, parazoan, hirudinean, sponge, leech, bloodsucker, quick study, poriferan Antonyms: host
Synonyms and Antonyms of parasite 
