cloudy
Stygian
beamless
black
black as night
caliginous
cheerless
dark
dark as night
dark as pitch
darkling
darksome
depressing
drear
dreary
dusky
ebon
ebony
eclipsed
funereal
gloomy
grey
grim
inky
joyless
night-black
night-clad
night-cloaked
night-dark
night-enshrouded
night-filled
night-mantled
night-veiled
obfuscated
obscure
obscured
occulted
pitch-black
pitch-dark
pitchy
rayless
shaded
shadowed
shadowy
starless
subfusc
tenebrious
tenebrose
tenebrous
unhappy
unilluminated
chilly
dank
dewy
drafty
drizzly
fathomless
humid
innermost
lightless
pathless
predawn
rainy
rock-walled
subterranean
sunlit
vine-covered
windless