I.cloudy, overcast, lowering (poet. and in post-Aug. prose).
2. Subst.
a. nūbĭlum , i, n., a cloudy sky, cloudy weather: “venti, qui nubilum inducunt,” Plin. Ep. 2, 17, 7: “differre aliquid propter nubilum,” Suet. Ner. 13: vitandos soles atque ventos et nubila etiam ac siccitates. Quint. 11, 3, 27.—In abl.: “nubilo,” in cloudy weather, Plin. 7, 60, 60, § 215: “aranei sereno texunt, nubilo texunt,” id. 11, 24, 28, § 84.—
b. In plur.: nū-bĭla , ōrum, n., the clouds: “Diespiter lgni corusco nubila dividens,” Hor. C. 1, 34, 5: “caput inter nubila condit,” Verg. A. 4, 177: “nubila dissicere,” Ov. M. 1, 328: “nubila conducere,” id. ib. 1, 572: “nubila inducere et pellere,” id. ib. 7, 202; Plin. Pan. 30, 3.—
B. Transf.
1. Cloud-bringing, cloudy: “nubilus Auster,” Ov. P. 2, 1, 26; Plin. 2, 47, 48, § 127; Claud. Laud. Stil. 1, 287.—
2. Dark, gloomy: “Styx,” Ov. F. 3, 322: “via nubila taxo,” id. M. 4, 432: “Tibris,” id. ib. 14, 447: “Arcas,” dwelling in the infernal regions, Stat. Th. 4, 483.—
II. Trop.
A. Beclouded, troubled: “ita nubilam mentem Animi habeo,” Plaut. Cist. 2, 1, 5: “Mars nubilus irā,” Stat. Th. 3, 230.—
B. Gloomy, sad, melancholy: “toto nubila vultu,” Ov. M. 5, 512: “oculi hilaritate nitescunt et tristitiā quoddam nubilum ducunt,” Quint. 4, 3, 27; cf. Plin. 2, 6, 4, § 13; Stat. S. 5, 3, 13: “nubila tempora,” Ov. Tr. 1, 1, 40; 1, 9, 6: “nubila nascenti seu mihi Parca fuit,” unfavorable, adverse, id. ib. 5, 3, 14.