1 She believes the noises are made by ghosts, but I think there's a more prosaic explanation. 2  For the most part, the descriptions of the books listed in the âCatalog,â though informative, are relentlessly prosaic, even hackneyed. â 3 Mordecai Richler, New York Times Book Review, 8 Oct. 1989. She believes the noises are made by ghosts, but I think there's a more prosaic explanation. 2  For the most part, the descriptions of the books listed in the âCatalog,â though informative, are relentlessly prosaic, even hackneyed. â 3 Mordecai Richler, New York Times Book Review, 8 Oct. 1989.
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Incompetency(noun) the quality or state of being incompetent; want of physical, intellectual, or moral ability; insufficiency; inadequacy; as, the incompetency of a child hard labor, or of an idiot for intellectual efforts.
See incompetency defined for English-language learners. See incompetency defined for kids. the incompetency of the secretary was revealed only after she had left the company, and her successor discovered years of filing left undone.