Antagonist meaning

What does “antagonist” mean? Definitions, examples, synonyms and opposites.

“antagonist” is a noun with 3 meanings. Its most common meaning is: someone who offers opposition.

antagonist

noun

  1. someone who offers opposition

    Oppositesagonist
  2. a muscle that relaxes while another contracts

    “when bending the elbow the triceps are the antagonist”

  3. a drug that neutralizes or counteracts the effects of another drug

    Oppositessynergist

Source: WordNet 3.1, Princeton University