An absolute ruler with infinite power.
A title borne by some such monarchs, as in Byzantium and tsarist Russia.
Until the 20th century, a favorable description of a ruler who was connected with the concept of lack of conflicts of interest and an indication of grandeur and power.
A totalitarian leader of a country, nation, or government.
A person who dictates text (e.g. letters to a clerk).
A tyrannical boss or authority figure.
A magistrate without colleague in republican Ancient Rome, who held full executive authority for a term granted by the senate (legislature), typically to conduct a war.