: of, relating to, or being a parasite: such as
: living on another organism in parasitism
- Some caterpillars even sport white spots that resemble the eggs of the parasitic wasps that prey upon caterpillars …
- —Mary Parker Sonis
- Filariasis, caused by parasitic worms in the human lymphatic system and carried in mosquitoes, infects some eighty million people in tropical and subtropical regions of the world.
- —Wayne Biddle
: caused by or resulting from the effects of parasites
- a parasitic disease/infection
of a bird
: laying eggs in the nest of another bird
- The cowbird and the cuckoo are parasitic birds.
: exploiting the hospitality of others : depending on another or others for existence or support without making a useful or adequate return
- … manipulated and glorified by self-serving, parasitic northern bureaucrats.
- —Edward Friedman
: of, relating to, or constituting a speech sound that is interposed between two other sounds usually as a by-product of transition from one place of articulation to another
- The \ə\ in \ˈeləm\ for elm or in \ˈathəˌlēt\ for athlete, the \t\ in \fents\ for fence, and the \b\ and b in \ˈnimbəl\ nimble from Middle English nimel are parasitic.
During sexually quiescent phase, lampreys live simply, communally or parasitically upon other fish.
—Earl W. Count
… those who live parasitically on the political system …