D defs.my
Entry 1 sense Webster, 1913

Antagonism

/(ăn*tăg"ō̇*nĭz'm)/ · An·tag·o·nism · IPA /ænˈtæɡənɪzəm/
01 n. Opposition of action; counteraction or contrariety of things or principles.
  1. 1.
    Opposition of action; counteraction or contrariety of things or principles.