antagonist

/æntəˈɡɒnɪst/

Definitions

1. noun

A person, group, or entity that opposes or contradicts the main character or protagonist in a story, drama, or conflict.

“The antagonist in the movie is a ruthless villain who tries to destroy the hero’s city.”

2. noun

A person or thing that opposes or resists a particular action or movement.

“The government is the main antagonist of the protesters’ demands for reform.”

3. noun

A chemical or biological substance that interferes with or blocks the action of another substance or system.

“The antagonist in the enzyme reaction is a molecule that binds to the active site and prevents the enzyme from functioning.”

4. noun

A person or thing that opposes or resists a particular idea or movement.

“The antagonist of the social movement is the wealthy elite who resist changes to the status quo.”

Synonyms

  • adversary
  • enemy
  • foe
  • opponent

Antonyms

  • ally
  • friend
  • protagonist
  • supporter