Overcast or obscured with clouds; clouded; as, a cloudy sky. [1913 Webster]
Consisting of a cloud or clouds. [1913 Webster]
"As Moses entered into the tabernacle, the cloudy pillar descended." [1913 Webster]
Indicating gloom, anxiety, sullenness, or ill-nature; not open or cheerful. Shak. [1913 Webster]
Confused; indistinct; obscure; dark. [1913 Webster]
"Cloudy and confused notions of things." [1913 Webster]
Lacking clearness, brightness, or luster. Boyle. [1913 Webster]
Marked with veins or sports of dark or various hues, as marble. [1913 Webster]

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OXFORD DICTIONARY

cloudy, adj. (cloudier, cloudiest)
1 a (of the sky) covered with clouds, overcast. b (of weather) characterized by clouds.
2 not transparent; unclear.

Derivative

cloudily adv. cloudiness n.

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THESAURUS

cloudy

Acheronian, Acherontic, Cimmerian, Stygian, addlebrained, addled, addleheaded, addlepated, adiaphanous, amorphous, angry, beclouded, befuddled, blind, castellatus, cirrose, cirrous, clear as mud, cloud-flecked, clouded, cumuliform, cumulous, cyclonic, dark, dark and gloomy, dim, dirty, dull, fogged, foggy, foul, fuddlebrained, fuddled, funereal, fuzzy, gloomful, glooming, gloomy, grumly, hazy, heavy, ill-lighted, ill-lit, impervious to light, in a fog, in a muddle, indeterminate, indistinct, intransparent, lenticularis, lowering, mammatus, misted, misty, mucky, muddled, muddleheaded, muddy, murky, mushy, muzzy, nebulous, nimbose, nubilous, obscure, opaque, overcast, overclouded, puzzleheaded, raging, rainy, roiled, roily, shadowy, shapeless, somber, sombrous, squally, storming, stormy, stratiform, stratous, tempestuous, thunderheaded, tornadic, transcendent, turbid, turbulent, typhonic, typhoonish, unclear, unplain, vague, vaporous, vapory

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ROGET THESAURUS

cloudy

Bubble

N bubble; cloud, bubble, foam, froth, head, spume, lather, suds, spray, surf, yeast, barm, spindrift, cloud, vapor, fog, mist, haze, steam, geyser, scud, messenger, rack, nimbus, cumulus, woolpack, cirrus, stratus, cirrostratus, cumulostratus, cirrocumulus, mackerel sky, mare's tale, dirty sky, curl cloud, frost smoke, thunderhead, nephelognosy, nephograph, nephology, effervescence, fermentation, bubbling, nebula, cloudliness, nebulosity, bubbling, frothy, nappy, effervescent, sparkling, mousseux, frothy, up, cloudy, thunderheaded, vaporous, nebulous, overcast, the lowring element scowls o'er the darkened lands.

Darkness

N darkness, absence of light, blackness, obscurity, gloom, murk, dusk, 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, sablevested night, shade, shadow, umbra, penumbra, sciagraphy, obscuration, occultation, adumbration, obumbration, obtenebration, offuscation, caligation, extinction, eclipse, total eclipse, gathering of the clouds, shading, distribution of shade, chiaroscuro, noctivagation, black body, hohlraum, black hole, dark star, dark matter, cold dark matter, dark, darksome, darkling, obscure, tenebrious, sombrous, pitch dark, pitchy, pitch black, caliginous, black, sunless, lightless &c (sun) (light), somber, dusky, unilluminated &c (illuminate), nocturnal, dingy, lurid, gloomy, murky, murksome, shady, umbrageous, overcast, cloudy, darkened, dark as pitch, dark as a pit, dark as Erebus, benighted, noctivagant, noctivagous, in the dark, in the shade, brief as the lightning in the collied night, eldest Night and Chaos, ancestors of Nature, the blackness of the noonday night, the prayer of Ajax was for light.

Dimness

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

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