nimbosus
From LSJ
Ἔοικα γοῦν τούτου γε σμικρῷ τινι αὐτῷ τούτῳ σοφώτερος εἶναι, ὅτι ἃ μὴ οἶδα οὐδὲ οἴομαι εἰδέναι → I seem, then, in just this little thing to be wiser than this man at any rate, that what I do not know I do not think I know either
Latin > English (Lewis & Short)
nimbōsus: a, um, adj. nimbus,
I full of storms, stormy, rainy (cf.: nubilus, nebulosus): fluctu nimbosus Orion, Verg. A. 1, 535: ventus, Ov. P. 2, 3, 27: aër, Luc. 5, 631: bruma, Stat. S. 1, 3, 89: montes, Plin. 18, 11, 29, § 109: ver, Juv. 4, 87: urbs, i. e. Rome, Plin. 26, 3, 8, § 16.