1. a person, especially an orator or political leader, who gains power and popularity by arousing the emotions, passions, and prejudices of the people.
2. (in ancient times) a leader of the people.
–verb (used with object)
3. to treat or manipulate (a political issue) in the manner of a demagogue; obscure or distort with emotionalism, prejudice, etc.
–verb (used without object)
4. to speak or act like a demagogue.