Autocracy

1. Independent or self-derived power; absolute or controlling authority; supremacy.
2. Supreme, uncontrolled, unlimited authority, or right of governing in a single person, as of an autocrat.
3. Political independence or absolute sovereignty (of a state); autonomy.
4. (Med.) The action of the vital principle, or of the instinctive powers, toward the preservation of the individual; also, the vital principle.