tyrant
/ˈtaɪərənt/noun
1
- cruel and oppressive ruler暴君; 专制君主：
the tyrant was deposed by popular demonstrations.
因民众示威而被废黜的暴君。
1.1
- a person exercising power or control in a cruel, unreasonable, or arbitrary way暴君似人物; 专横的人, 残暴的人：
her father was a tyrant and a bully.
他父亲专横霸道。
1.2
- (especially in ancient Greece) a ruler who seized absolute power without legal right（尤指古希腊）僭主, 僭王。
2
- a tyrant flycatcher霸鹟。
词源
Middle English: from Old French, via Latin from Greek turannos.