Definition of parasite


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perfunctory
Definition: (adjective) unenthusiastic, routine, or mechanical.
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par·a·site  audio  (pr-st) KEY 

NOUN:
  1. Biology An organism that grows, feeds, and is sheltered on or in a different organism while contributing nothing to the survival of its host.
    1. One who habitually takes advantage of the generosity of others without making any useful return.
    2. One who lives off and flatters the rich; a sycophant.
  2. A professional dinner guest, especially in ancient Greece.

ETYMOLOGY:
Latin parastus, a person who lives by amusing the rich, from Greek parastos, person who eats at someone else's table, parasite : para-, beside ; see para-1 + stos, grain, food


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