A tyrant is a despotic ruler or person.

He is a despotic ruler, a tyrant with brains and an uncontrollable temper.

The five undertook missions around the world fighting international terrorists, despotic rulers, and thwarting Communist agents.

Long Dinh then took over the country, but proved himself to be a depraved man and a cruel and despotic ruler.

Over the years, it has been used mainly as a police force to protect despotic rulers.

"The days of despotic rulers are supposed to have ended."

A hard and despotic ruler, Eric reputedly killed many of his brothers in disputes.

We have intervened in Libya while murder continues all over the Middle East by despotic rulers.

This is a far bolder philosophy than despotic rulers can afford to follow.

Since the first game, Kain has revived the vampire race, and has become the despotic ruler of the land.