antagonist Definition

  • 1a person who actively opposes or is hostile to someone or something; an adversary
  • 2a muscle that acts in opposition to another, called the agonist

Using antagonist: Examples

Take a moment to familiarize yourself with how "antagonist" can be used in various situations through the following examples!

  • Example

    The antagonist in the movie was a ruthless businessman.

  • Example

    He saw her as his antagonist in the upcoming election.

  • Example

    The triceps muscle is the antagonist to the biceps muscle.

antagonist Synonyms and Antonyms

Synonyms for antagonist

Antonyms for antagonist

Phrases with antagonist

  • arch-nemesis

    the main enemy of someone, often used in a dramatic or exaggerated way


    Batman's arch-nemesis is the Joker.

  • behavior that is hostile or confrontational towards others


    His antagonistic behavior towards his coworkers made it difficult to work with him.

  • an effect that is opposite or counteracts the intended effect of something else


    The medication had an antagonistic effect on the patient's blood pressure.

Origins of antagonist

from Greek 'antagōnistēs', meaning 'opponent'


Summary: antagonist in Brief

An 'antagonist' [ænˈtæɡənɪst] is a person or thing that actively opposes or is hostile to someone or something. It can refer to a person's adversary, opponent, or foe, as well as a muscle that acts in opposition to another. Phrases like 'arch-nemesis' and 'antagonistic behavior' use 'antagonist' to denote a main enemy or hostile behavior, respectively.