Perfunctorius, Adiectiuum. That is negligently done, and only for a fashion. vt, Opera perfunctoria. Budæus.
Lewis and Short: Latin dictionary
perfunctōrĭus, a, um, adj. [perfunctus; despatched, i. e.], done in a careless or superficial manner, slight, careless, negligent, perfunctory (jurid. Lat.): examinatio, Nov. Val. 3, Postul. 2, 11, c. l. 1: genitus, Ambros. in Psa. 37, 37.—Adv.: per-functōrĭē, slightly, carelessly, negligently, perfunctorily (late Lat.): me coepit non perfunctorie verberare, Petr. 11: facere aliquid, Cod. Th. 12, 3, 2; cf. ib. 14, 9, 1.