Antagonist(a.) Antagonistic; opposing; counteracting; as, antagonist schools of philosophy.
Antagonist(n.) One who contends with another, especially in combat; an adversary; an opponent.
Antagonist(n.) A muscle which acts in opposition to another; as a flexor, which bends a part, is the antagonist of an extensor, which extends it.
Antagonist(n.) A medicine which opposes the action of another medicine or of a poison when absorbed into the blood or tissues.
Antagonistic(a.) Alt. of Antagonistical
Antagonistical(a.) Opposing in combat, combating; contending or acting against; as, antagonistic forces.

Words within antagonist