Perfunctorily :: Perfunctorily (adv.) In a perfunctory manner; formally; carelessly.
Perfunctoriness :: Perfunctoriness (n.) The quality or state of being perfunctory.
Perfunctory :: Perfunctory (a.) Done merely to get rid of a duty; performed mechanically and as a thing of rote; done in a careless and superficial manner; characterized by indifference; as, perfunctory admonitions..