ĭn-effābĭlis

I. unutterable, unpronounceable (Plinian): nomina, Plin. 5 praef. § 1: verba, id. 28, 2, 4, § 20.— Adv.: ĭneffābĭlĭter, unutterably, ineffably (late Lat.): Deus ineffabiliter artifex, Aug. Enchir. 89.