Antagonist An*tag"o*nist, n. [L. antagonista, Gr. ?; ? against
+ ? combatant, champion, fr. ?: cf. F. antagoniste. See
1. One who contends with another, especially in combat; an
adversary; an opponent.
Antagonist of Heaven's Almigthy King. --Milton.
Our antagonists in these controversies. --Hooker.
2. (Anat.) A muscle which acts in opposition to another; as a
flexor, which bends a part, is the antagonist of an
extensor, which extends it.
3. (Med.) A medicine which opposes the action of another
medicine or of a poison when absorbed into the blood or
Syn: Adversary; enemy; opponent; foe; competitor. See
Antagonist An*tag"o*nist, a.
Antagonistic; opposing; counteracting; as, antagonist schools
From The Collaborative International Dictionary of English v.0.44