SG Heritage Dictionary

Dimness Roget’s Thesaurus §422

N. dimness, darkness, paleness &c. # (light color) 429, half light, demi-jour, partial shadow, partial eclipse, shadow of a shade, glimmer, gliming, nebulosity, cloud, eclipse, aurora, dusk, twilight, shades of evening, crepuscule, cockshut time|, break of day, daybreak, dawn, moonlight, moonbeam, moonglade, moonshine, starlight, owl's light, candlelight, rushlight, firelight, farthing candle

V. be dim, grow dim, flicker, twinkle, glimmer, loom, lower, fade, pale, pale its ineffectual fire, render dim, dim, bedim, obscure, darken, tone down

Adj. dim, dull, lackluster, dingy, darkish, shorn of its beams, dark 421, faint, shadowed forth, glassy, cloudy, misty, blear, muggy|, fuliginous, nebulous, nebular, obnubilated, overcast, crepuscular, muddy, lurid, leaden, dun, dirty, looming, pale, confused

Opacity Roget’s Thesaurus §426

N. opacity, opaqueness, # film, cloud

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

Blackness Roget’s Thesaurus §431

N. blackness, darkness &c. (want of light), 421, swartliness, lividity, dark color, tone, color, chiaroscuro, nigrification, infuscation, jet, ink, ebony, coal pitch, soot, charcoal, sloe, smut, raven, crow, negro, blackamoor, man of color, nigger, darkie, ethiop, black, buck, nigger, coon, sambo, lampblack, ivory black, blueblack, writing ink, printing ink, printer's ink, indian ink, india ink

V. be black, render -black, blacken, infuscate, denigrate, blot, blotch, smutch, smirch, darken, black, sable, swarthy, somber, dark, inky, ebony, ebon, atramentous, jetty, coal-black, jet-black, fuliginous, pitchy, sooty, swart, dusky, dingy, murky, ethiopic, low-toned, low in tone, of the deepest dye, black as jet, black as my hat, black as a shoe, black as a tinker's pot, black as november, black as thunder, black as midnight, nocturnal, nigrescent, gray, obscure

Adv. in mourning