obscurity

darkness; blackness (dark color) [more]; obscurity, gloom, murk; dusk (dimness)., Cimmerian darkness, Stygian darkness, Egyptian darkness; night; midnight; dead of night, witching hour of night, witching time of night; blind man's holiday; darkness visible, darkness that can be felt; palpable obscure; Erebus; "the jaws of darkness" [Midsummer Night's Dream]; "sable-vested night" [Milton]., shade, shadow, umbra, penumbra; sciagraphy., obscuration; adumbration, obumbration; obtenebration, offuscation, caligation; extinction; eclipse, total eclipse; gathering of the clouds., shading; distribution of shade; chiaroscuro (light)., noctivagation.

be dark, darken, obscure, shade; dim; tone down, lower; overcast, overshadow; eclipse; obfuscate, offuscate; obumbrate, adumbrate; cast into the shade, becloud, bedim, bedarken; cast a shade, throw a shade, spread a shade, cast a shadow, cast a gloom, throw a shadow, spread a shadow, cast gloom, throw gloom, spread gloom., extinguish; put out, blow out, snuff out; doubt.

dark, darksome, darkling; obscure, tenebrious, sombrous, pitch dark, pitchy; caliginous; black (in color)., sunless, lightless (see sun, light, [more]); somber, dusky; unilluminated (see illuminate [more]); nocturnal; dingy, lurid, gloomy; murky, murksome; shady, umbrageous; overcast (dim); cloudy (opaque); darkened., dark as pitch, dark as a pit, dark as Erebus., benighted; noctivagant, noctivagous.

in the dark, in the shade.

shade; awning (cover); parasol, sunshade, umbrella; chick; portiere; screen, curtain, shutter, blind, gauze, veil, mantle, mask; cloud, mist, gathering. of clouds., umbrage, glade; shadow.

draw a curtain; put up a shutter, close a shutter; veil; cast a shadow (darken).

shady, umbrageous.

opacity; opaqueness film; cloud.

be opaque; obstruct the passage of light; obfuscate, offuscate.

opaque, impervious to light; adiaphanous; dim; turbid, thick, muddy, opacous, obfuscated, fuliginous, cloud, hazy, misty, foggy, vaporous, nubiferous, muggy., smoky, fumid, murky, dirty.