full and unrestricted authority.

concentration of all powers in the hands of a single person.

(masc.) a ruler with absolute power and authority, esp. one who exercises it tyrannically; a dictator; a tyrant.

a man who orders others about domineeringly or one whose pronouncements on some subject are meant to be taken as the final word; a dictator.

the senior most officer in a palace, temple or religious maṭha (monastery).