From Longman Dictionary of Contemporary Englishoverlordo‧ver‧lord /ˈəʊvəlɔːd $ ˈoʊvərlɔːrd/ noun [countable] PGOsomeone with great power over a large number of people, especially in the past
Examples from the Corpus
overlord• Treason therefore was a crime no greater than being disloyal to one who claimed to be an overlord.• For many residents of the oil fields, Pemex executives seem little different from the foreign overlords they replaced.• For the rest he has persisted in wearing the guise of a vassal before his overlord.• The ageing king, Al-Kadir, was murdered and one of his viziers proclaimed the new overlord.• Just as hapless as the plundering Norse overlord he'd been playing for the past few weeks!• This strength which enabled him to do so much for his country against the Philistine overlords was not his own.• If you were encountering a tyrannical overlord, what would you do? 