- The definition of antagonism is an ongoing aggression or animosity between two individuals or groups.
An example of antagonism is when a group of students repeatedly bully another group.
- Antagonism is defined as a state of opposition.
An example of antagonism is when constituents disagree on principle with a stance their congressional representative has made.
- In physiology, the definition of antagonism is two muscles working in opposition.
An example of antagonism is how the biceps and triceps work when extending and flexing the elbow.
- the state of being opposed or hostile to another or to each other; opposition or hostility
- an opposing force, principle, etc.; specif., a mutually opposing action that can take place between organisms, muscles, drugs, etc.
Origin of antagonismClassical Greek antag?nisma from antag?nizesthai: see antagonize
- Hostility that results in active resistance, opposition, or contentiousness. See Synonyms at enmity.
- The condition of being an opposing principle, force, or factor: the inherent antagonism of capitalism and socialism.
- Biochemistry Interference in the physiological action of a chemical substance by another having a similar structure.
From Ancient Greek ἀνταγωνιστής (antagōnistēs, “opponent”), from ἀνταγωνίζεσθαι (antagōnizesthai, “antagonize”), from Ancient Greek ἀγών (agōn, “contest”) (English agon).