Murk

a.	1.	Dark; murky. He can not see through the mantle murk. - J. R. Drake.
n.	1.	Darkness; mirk.
	1.	The refuse of fruit, after the juice has been expressed; marc.

Noun	1.	murk - an atmosphere in which visibility is reduced because of a cloud of some substance Synonyms: fogginess, murkiness, fog
Verb	1.	murk - make dark, dim, or gloomy

amorphousness, bad light, becloud, bedarken, bedim, begloom, begrime, besmirch, besoil, black, black out, blacken, blackwash, block the light, blot, blot out, blotch, brown, cast a shadow, charcoal, cloud, cloud over, cork, dark, darken, darken over, darkishness, darkness, darksomeness, deadness, denigrate, dim, dim light, dim out, dimness, dinge, dirty, drabness, dullness, dusk, duskiness, duskness, ebonize, eclipse, encloud, encompass with shadow, flatness, fog, fogginess, foul, fuzziness, gloaming, gloom, grime, half-light, haze, indeterminateness, indistinctness, ink, lack of sparkle, lackluster, lifelessness, lusterlessness, mat, mat finish, melanize, mist, mistiness, muddy, mumbo jumbo, murkiness, mystification, nigrify, obfuscate, obfuscation, obnubilate, obscurantism, obscuration, obscure, obscurity, obumbrate, occult, occultate, opacity, overcast, overcloud, overshadow, oversmoke, partial darkness, perplexity, semidark, shade, shadow, shapelessness, smirch, smoke, smudge, smut, smutch, somber, somberness, soot, tarnish, twilight, unclarity, unclearness, unplainness, vagueness