Skip to Content
Medical Term:


Pronunciation: an-tag′ŏ-nizm


  1. Denoting mutual opposition in action among structures, agents, diseases, or physiologic processes.
  2. A situation in which the combined effect of two or more factors is smaller than the solitary effect of any one of the factors.

Synonym(s): mutual resistance

[G. antagōnisma, from anti, against, + agōnizomai, to fight, fr. agōn, a contest]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.