Pronunciation IPA (key): [kəmpˈtroʊlər] or [kəmˈtroʊlər] Audio (US)(file) Audio (US)(file) Homophone: controller Noun Singular comptroller Plural comptrollers (countable) A comptroller is the chief accountant of a company or government. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads