powermonger in English dictionary powermonger Meanings and definitions of "powermonger" A person who wields power in a tyrannical or irresponsible fashion. noun A person who wields power in a tyrannical or irresponsible fashion. more Grammar and declension of powermonger powermonger ( plural powermongers) powermonger (plural powermongers) more Powermonger Sample sentences with "powermonger" Declension Stem Try again Available translations Dutch French Italian Authors