antagonism
antagonism (an*tag"o*niz'm) , noun
[Greek 'antagw`nisma, from 'antagwni`zesqai to struggle against; 'anti` against + 'agwni`zesqai to contend or struggle, 'agw`n contest: compare French antagonisme. See Agony.]
Opposition of action; counteraction or contrariety of things or principles.
We speak of antagonism between two things, to or against a thing, and sometimes with a thing.