des·pot /ˈdɛspət, ˌpɑt/
1. A master; a lord; especially, an absolute or irresponsible ruler or sovereign.
Irresponsible power in human hands so naturally leads to it, that cruelty has become associated with despot and tyrant. --C. J. Smith.
2. One who rules regardless of a constitution or laws; a tyrant.
n : a cruel and oppressive dictator [syn: tyrant, autocrat]