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antagonism definition

an·tago·nism (an tag′ə niz′əm)

noun

  1. the state of being opposed or hostile to another or to each other; opposition or hostility
  2. an opposing force, principle, etc.; specif., a mutually opposing action that can take place between organisms, muscles, drugs, etc.

Etymology: Gr antagōnisma < antagōnizesthai: see antagonize

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

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