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Word of the Day
perfunctory
Definition: (adjective) unenthusiastic, routine, or mechanical.
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ag·o·nist  audio  (g-nst) KEY 

NOUN:
  1. One involved in a struggle or competition.
  2. Physiology A contracting muscle that is resisted or counteracted by another muscle, the antagonist.
  3. Biochemistry A drug or other chemical that can combine with a receptor on a cell to produce a physiologic reaction typical of a naturally occurring substance.

ETYMOLOGY:
Late Latin agnista, contender, from Greek agnists, from agn, contest ; see agony


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