a cruel and oppressive dictator
in ancient Greece, a ruler who had seized power without legal right to it
any person who exercises power in a cruel way;
"his father was a tyrant"
- The emperor was a tyrant.
- This ruler is a pitiless tyrant.
- Mr Smith was a high-handed tyrant in his office.
- Her grandfather is a tyrant who insists on absolute silence at the dinner table.
The Hellespont where he ruled as local tyrant.出自： R. L. Fox