SG Heritage Dictionary

Nubiferous [Adjective] Webster's Dictionary 1828

Brining or producing clouds.

Nubiferous [Adjective] Webster's Dictionary 1913

Bringing, or producing, clouds.

Opacity Roget’s Thesaurus §426

V. be opaque, obstruct the passage of light, obfuscate, offuscate|

Adj. opaque, impervious to light, adiaphanous, dim, turbid, thick, muddy, opacous|, obfuscated, fuliginous, cloud, hazy, misty, foggy, vaporous, nubiferous, muggy|| (turbidity) 426a, smoky, fumid, murky, dirty

Turbidity Roget’s Thesaurus §426a