Noun
The government or authority of a tyrant; a country governed by an absolute ruler; hence, 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.
Cruel government or discipline; as, the tyranny of a schoolmaster.
Severity; rigor; inclemency.
Source: Webster's dictionaryThe secret of liberty is to enlighten men, as that of tyranny is to keep them in ignorance. Maximilien Robespierre
Death is softer by far than tyranny. Aeschylus
Bad laws are the worst sort of tyranny. Edmund Burke
Secrecy is the beginning of tyranny. Italian Proverb
Beware the tyranny of the minority. Latin Proverb
Don't love the one who loves you, it's tyranny. Sicilian Proverb