I.badness, wickedness, depravity, dishonesty, improbity (freq. and class.): “cum te alicujus improbitas perversitasque commoverit,” Cic. Q. Fr. 1, 13, 38: “amicorum neglectio improbitatem coarguit,” id. Mur. 4, 9; id. Att. 1, 16, 7: “in hac causa improbitatem et gratiam cum inopia et veritate contendere,” id. Quint. 27, 84; id. Brut. 62, 224: “cum me improbitatis patrocinium suscipere vultis,” id. Rep. 3, 5: “judici invisa est,” Quint. 6, 4, 15: “cordis humani,” Plin. 2, 23, 21, § 87; Ov. A. A. 1, 676: “prodiga corruptoris,” Juv. 10, 305: “illo admirabilis aevo,” i. e. rare, id. 13, 53.—
II. Transf., of bad, troublesome animals, impudence, boldness, audacity: “simiae Dodoneae,” Cic. Div. 2, 32, 69: “muscae,” Plin. 29, 1, 8, § 28: “alitum semina depascentium,” id. 19, 6, 34, § 116.