| overclouded |
| roily(adjective, dark, gloomy, dirty, dreary) |
| smoky(dark, gloomy, dirty, dreary, dense) |
| somber(dark, gloomy, gray, misty, overcast) |
| squally |
| sullen(gloomy, gray, overcast) |
| sunless(gloomy, gray, overcast) |
| turbid(dark, gloomy, dirty, dreary, dense) |
| vacillant |
| vaporous(gloomy, gray, overcast) |
| abstruse(adjective, uncertain, equivocal, incomprehensible) |
| amphibological(adjective, uncertain, equivocal, unlit, incomprehensible) |
| aphotic(adjective, unlit, lightless) |
| arcane(adjective, uncertain, equivocal, incomprehensible) |
| atramentous(adjective, unlit, lightless) |
| baffling(adjective, uncertain, equivocal, incomprehensible) |
| caliginous(dark, gloomy, misty) |
| cheerless(dark, gloomy, dirty, dreary, misty) |
| cimmerian(adjective, unlit, lightless) |
| clouded over(expression, adjective, unlit, lightless) |