What is antagonist definition?

An antagonist is a character in a story who opposes or works against the protagonist, the main character or hero of the story. They create conflict and tension in the story by creating obstacles for the protagonist to overcome. Antagonists can take many forms, from a physical enemy to an internal struggle or societal norms. They are essential in creating plot and driving the story forward, as the protagonist must overcome their opposition to reach their goals. Antagonists are often portrayed as villains or antagonistic forces, but can also have complex motivations and be sympathetic characters in their own right.