agonist Hear it!

agonist definition

ago·nist (agə nist′)

noun

  1. one who takes part in a struggle, as a main character in a drama
  2. a muscle whose action on a joint or orifice is opposed by the action of another muscle, the antagonist

Etymology: back-form. < antagonist

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.