opaque
shaded
ambiguous
amorphous
amphibological
besmirched
black
blackened
bleak
blind
blotchy
caliginous
clear as mud
clouded
cloudy
dark
dark-colored
darkened
darkish
darksome
dim
dimmish
dimpsy
dingy
dirty
discolored
dismal
double-edged
double-faced
drab
dreary
dun
dusk
dusky
equivocal
filthy
foggy
foul
foxed
foxy
fuliginous
funereal
fuzzy
glooming
gloomy
glowering
grey
grim
murkier
murkiest
murk
murkily
murkiness
dank
fetid
greenish
impenetrable
inky
luminous
lurid
milky
misty
muddy
smoky
wintry
Turkey
jerky
perky
quirky
turkey