antagonista
antagonist; opponent
noun ahn-tah-goh-NEES-tah Rare
Origin: From Greek antagonistēs, 'competitor'.
Usage Note
Antagonista is common gender — el antagonista or la antagonista — following the same pattern as artista or atleta. In narrative it is the character who opposes the protagonist. In pharmacology antagonista refers to a substance that blocks a receptor. The adjective antagónico means 'antagonistic' or 'conflicting'.
Examples
"El antagonista del cuento es el dragón."
Natural Translation
The antagonist of the story is the dragon.

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