tyrant
/ˈtaɪrənt/
noun
- A ruler who has complete power and uses it in a cruel or unfair way.
- The people rebelled against the tyrant who had ruled them for decades.
- History books describe him as a tyrant who imprisoned anyone who disagreed with him.
- The village lived in fear of the local tyrant who demanded heavy taxes.
- A person who behaves in a harsh, controlling, or unfair way toward others, especially in a position of authority.
- She called her older brother a tyrant because he always decided what they would watch on TV.
- The coach was a tyrant, making the team practice for hours without a break.
- My boss is a tyrant who never listens to anyone's ideas.