Pronunciation IPA (key): /ˈəʊvə(r)lɔː(r)d/ Audio (UK)(file) Audio (UK)(file) Noun Singular overlord Plural overlords (countable) A ruler of other rulers. Synonym: suzerain The duke of Normandy's overlord was the king of France. (countable) A person with great power or authority. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads