n. | 1. | Opposition of action; counteraction or contrariety of things or principles. |
Noun | 1. | ![]() |
2. | antagonism - the relation between opposing principles or forces or factors; "the inherent antagonism of capitalism and socialism" | |
3. | antagonism - an actively expressed feeling of dislike and hostility | |
4. | antagonism - (biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure |