I.that cannot be passed over.
II. Transf.
A. Unconquerable: “genus bello,” Verg. A. 4, 40; cf.: “caput bello,” Ov. M. 12, 613.— Of a disease, incurable: “valetudo,” Plin. Ep. 2, 2.—
B. Unavoidable, inevitable: “fatum,” Ov. M. 15, 807: “necessitas fati,” Gell. 13, 1.—Adv.: insŭpĕrābĭ-lĭter , unconquerably, Aug. Civ. Dei, 5, 8.