A parasite, such as a tapeworm, that lives within another organism.
(Biol.) A plant or animal that lives on or in an organism of another species from which it derives sustenance or protection without benefit to, and usually with harmful effects on, the host
any external parasitic organism (as fleas)
Find another word for ectoparasite. In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for ectoparasite, like: endoparasite, parasite, ectozoan, ectozoon, epizoan, epizoon, ectoparasitic, lungworm, helminthic, whipworm and hookworm.