Potentate definition: a person who possesses great power, as a sovereign, monarch, or ruler.. See examples of POTENTATE used in a sentence.
Definition of potentate noun from the Oxford Advanced Learner's Dictionary potentate noun /ˈpəʊtnteɪt/ /ˈpəʊtnteɪt/(literary, often disapproving) a political leader who has a lot of power, especially when this is not limited by a parliament, etc. Word Origin ...