An organisms that lives on another (its host), from which it obtains food and shelter As the parasite depends upon the host, it usually does not kill the host
An animal which lives during the whole or part of its existence on or in the body of some other animal, feeding upon its food, blood, or tissues, as lice, tapeworms, etc
an organism that grows and feeds in or on another organism without benefiting the host organism Most parasites are harmless, but some are deadly The most common ways of getting a parasitic infection are from contaminated water and rimming (oral-anal contact)
an animal or plant that lives in or on a host (another animal or plant); the parasite obtains nourishment from the host without benefiting or killing the host
disapproval If you disapprove of someone because you think that they get money or other things from other people but do not do anything in return, you can call them a parasite
an organism that consumes part of the tissues of its host, usually without killing the host - an organism which lives on or in another organism, feeding upon it [FAO bis]
A plant obtaining nourishment immediately from other plants to which it attaches itself, and whose juices it absorbs; sometimes, but erroneously, called epiphyte
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"