I.deadly, fatal, mortal (mostly poet. and late Lat.): “vulnus,” Verg. A. 9, 580; Suet. Caes. 82: “harundo,” Verg. A. 4, 73; “ensis,” Ov. M. 13, 392: serpens, Stat. Th. 6, 40: “dapes,” Val. Fl. 2, 155: “hiems,” Ov. M. 2, 827: “venenum,” Plin. 11. 35, 41, § “118: lac gustasse letale est,” id. 11, 41, 96, § 236; Aug. Serm. 351, 5: “ferrum,” Juv. 15, 165.—In neutr., adverbially, in a deadly manner: “letale minari,” Stat. S. 4, 4, 84: “letale furens,” id. Th. 12, 760.—Plur. subst.: lētālĭa , ium, means of death, Liv. 8, 18, 7.—Hence, adv.: lētālĭter , in a deadly manner, mortally, Plin. 11, 37, 81, § 206: vulneratus, Mos. et Rom. Leg. Coll. 2, 7 prooem.
lētālis (lēthāl- ), e, adj. id.,