† iˈnnubilous,a.Obs.rare. [f. L. innūbilus, f.in- (in-3) + nūbilus nubilous: see -ous.] Not nubilous or cloudy; cloudless. 1656Blount Glossogr., Innubilous, fair, without clouds, serene.1708Brit. ApolloNo. 33. 2/1 We will..descend from out Innubilous Empireum.