Synonyms of dun

1 Syllable
black, foul, dusk, dark, gray, sad, duns, drab, dim, dull
2 Syllables
hassled, dunned, unclean, subfusc, mucky, murkier, darker, dunning, murky, stormy, billing, misty, dusky, fuzzy, smoky, squalid, foggy, dirty, filthy, rayless, grubby, turbid, roily, cloudy, dingy, muddy, nasty, duner, somber, dreary, cheerless, dismal, hassling, darkest
3 Syllables
demanded, aphotic, lowering, glowering, nebulous, tenebrous, overcast, darkened, ill-lighted, nubilous, unlighted, debiting
4 Syllables
importune, importuning, caliginous, crepuscular
5 Syllables
impenetrable