ETYM Old Eng. tirannye, Old Fren. tirannie, French tyrannie.
1. The government or authority of a tyrant; a country governed by an absolute ruler.
2. Arbitrary or despotic exercise of power; exercise of power over subjects and others with a rigor not authorized by law or justice, or not requisite for the purposes of government.
3. Cruel government or discipline.
4. Severity; rigor; inclemency.