Meaning of ANTAGONIST in English

ANTAGONIST

adj antagonistic; opposing; counteracting; as, antagonist schools of philosophy.

2. antagonist ·noun one who contends with another, especially in combat; an adversary; an opponent.

3. antagonist ·noun a medicine which opposes the action of another medicine or of a poison when absorbed into the blood or tissues.

4. antagonist ·noun a muscle which acts in opposition to another; as a flexor, which bends a part, is the antagonist of an extensor, which extends it.

Webster English vocab.      Английский словарь Webster.