antagonist

敵対者、対抗者

他の人と争ったり、その人の考えに強く反対したりする人。

やさしい英語で： A person who fights against or strongly disagrees with another person.

• The hero faces a powerful antagonist.
• Her former ally became her fiercest antagonist.
• The story has two antagonists with very different aims.

類義語： opponent, enemy, adversary

反対語： ally

よく使う表現： main antagonist, political antagonist, antagonist in something

拮抗筋

別の筋肉と逆に働き、体の一部を反対方向に動かす筋肉。

やさしい英語で： A muscle that works against another muscle, moving a body part in the opposite direction.

• This muscle acts as an antagonist.
• The triceps is an antagonist of the biceps.
• Antagonists relax as the opposing muscles contract.

類義語： opposing muscle

反対語： agonist

よく使う表現： muscle antagonist, antagonist muscle