agonist Meaning, Definition & Usage

  1. noun the principal character in a work of fiction
    protagonist.
  2. noun someone involved in a contest or battle (as in an agon)
  3. noun a muscle that contracts while another relaxes
    • when bending the elbow the biceps are the agonist
  4. noun (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction

WordNet


Ag"o*nist noun
Etymology
Gr. .
Definitions
  1. One who contends for the prize in public games. R.

Webster 1913