Look up antagonism in Wiktionary, the free dictionary.

Antagonism may refer to:

• The characteristic of an antagonist
• Antagonism (chemistry), where the involvement of multiple agents reduces their overall effect
• Drug antagonism, a drug that stops the action or effect of another substance, preventing a biological response
  • Receptor antagonism or pharmacological antagonism, the action of a drug that inhibits the function of an agonist at the level of a receptor
• Antagonism (phytopathology), an effect that suppresses the activity of a plant pathogen
• Reflexive antagonism of muscles
• Intraspecific antagonism, disharmonious or antagonistic interaction between two individuals of the same species

• Antagonist (disambiguation)

This disambiguation page lists articles associated with the title Antagonism.
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