antagonist
- Noun. An opponent or enemy.
- Noun. One who antagonizes or stirs.
- Noun. (biochemistry) A chemical that binds to a receptor but does not produce a physiological response, blocking the action of agonist chemicals.
- Noun. The main character or force opposing the protagonist in a literary work or drama.
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This entry was last updated on RefTopia from its source on 3/20/2012.