Antagonist

/ænˈtæɡənɪst/

Meaning & Definition

noun
A person who opposes or is hostile to someone or something; an adversary.
The protagonist struggled to overcome the obstacles set by the antagonist.
A character in a story or play who opposes the main character, often creating conflict.
In the novel, the antagonist is portrayed as a ruthless villain determined to defeat the hero.
A substance that interferes with or inhibits the physiological action of another.
In pharmacology, the antagonist blocks the action of the hormone.

Etymology

From Greek 'antagonistēs', meaning 'opponent, rival'.

Common Phrases and Expressions

antagonistic relationship
A relationship where parties oppose or conflict with each other.
antagonist role
The role played by a character that opposes the protagonist's goals.

Related Words

protagonist
The main character in a story or play, often in conflict with the antagonist.
conflict
A serious disagreement or argument, typically a prolonged one.

Slang Meanings

The person who always tries to be a 'buzzkill' in social situations.
Stop being such an antagonist at the party; just relax and have fun!
Someone who is always against the popular opinion or trend.
Her friends called her the antagonist for always going against the current trends.