antagonist
Antagonist (noun) means the character in a story who stands in the way of the main character and drives the conflict. Example: “The antagonist is her own sister, which makes every scene harder.”
How to use antagonist
Learner’s notesIn plain EnglishThe person or thing working against the main character.
Neutral; standard in literary criticism, and a precise technical term in pharmacology and anatomy.
In pharmacology, remember the pair: an agonist activates a receptor, an antagonist blocks it.
Trace the full origin ↓Fill the gap
Can you complete this real example?
The _____ is her own sister, which makes every scene harder.
Etymology
From Greek antagōnistēs 'opponent', from anti- 'against' and agōn 'contest'.