All 3 Uses

antagonist
in
The Red Badge of Courage
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The battery was disputing with a distant antagonist and the gunners were wrapped in admiration of their shooting.†
Chpt 6 *

antagonist = someone who offers opposition or is hostile
In a short while the three antagonists could be seen together in an amiable bunch.†
Chpt 14

antagonists = people who offer opposition or are hostile
But the blows of the antagonist began to grow more weak.†
Chpt 20

antagonist = someone who offers opposition or is hostile

Definitions:

(1) (antagonist as in: the antagonist in the film)
someone who offers opposition or is hostile
(2) (meaning too rare to warrant focus)
Specialized Definitions of antagonist:
- literature or storytelling: the most important character who opposes the main character or protagonist
- physiology: a muscle that relaxes when another muscle contracts
- chemistry and biology: a substance that interferes with the effect of another substance