I. Bringing pestilence, pestilential: “odor,” Liv. 25, 26, 11.—
II. In gen., that brings destruction, destructive, baleful, noxious, pernicious, pestiferous (class.): “res pestiferae et nocentes,” Cic. N. D. 2, 47, 120: “accessus ad res salutares, a pestiferis recessus,” id. ib. 2, 12, 34: “acutus et pestifer morbus,” Cels. 4, 1, 1: “sudor,” id. 2, 6: “aquae,” Val. Fl. 4, 594: “ignis,” Ov. M. 8, 477: “fames,” id. ib. 8, 784: “fauces,” Verg. A. 7, 570: “aër,” Col. 10, 331: “bellum,” Cic. Fam. 4, 3, 1: “bella civilia,” id. Off. 1, 25, 86: “Antonii pestifer reditus,” id. Phil. 3, 2, 3: “homo,” Vulg. Act. 24, 5: “pestiferum fulgur dicitur, quo mors exsiliumve significari solet,” Fest. p. 210 Müll.; cf.: “pestifera quae mortem aut exsilium ostendunt,” id. p. 245 ib.—Subst.: pestĭfer , ĕri, m., a mischievous person, Vulg. Ecclus. 11, 35.—Adv.: pestĭfĕrĕ , balefully, pestiferously (rare but class.), Cic. Leg. 2, 5, 13; Hilar. Trin. 7, 3.