antagonism Meaning and Definition
1. n. (biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure
2. n. an actively expressed feeling of dislike and hostility
3. n. the relation between opposing principles or forces or factors
4. n. a state of deep-seated ill-will
Antagonism is hostility that results in active resistance, opposition, or contentiousness.
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