someone with endless energy or expert: a corporate autocrat.
An absolute ruler with limitless energy
A title borne by some such Monarchs, as in Byzantium and tsarist Russia
a total sovereign; a monarch whom keeps and workouts the capabilities of government by claim of absolute right, not susceptible to constraint.
a person who rules with undisputed sway in any business or connection; a despot.
a total prince or sovereign; a ruler or monarch whom keeps and workouts the abilities of government as by inherent right, not susceptible to constraints: as, “the autocrat of all Russias,” a title thought because of the emperor of Russia.
a person who is invested with or assumes unlimited authority in every connection: as, “The Autocrat of the Breakfast-Table” (title of a novel)