| nebulous(adjective, dull, dark, gloomy) |
| opaque(adjective, dull, dark, gloomy) |
| pitchy(adjective, dull, dark, gloomy) |
| Stygian(adjective, dull, dark, gloomy) |
| caliginous(adjective, dull, dark, gloomy) |
| darkened(adjective, dull, dark, gloomy) |
| dingy(adjective, dull, dark, gloomy) |
| drab(adjective, dull, dark, gloomy) |
| lurid(adjective, dull, dark, sorrow, gloomy) |
| pitch-black(adjective, dull, dark, gloomy) |
| rayless(adjective, dull, dark, gloomy) |
| ill-lighted(adjective, dull, dark, gloomy) |
| indistinct(adjective, dull, dark, gloomy) |
| shaded(adjective, dull, dark, gloomy) |
| aphotic(adjective, dull, dark, gloomy) |
| atramentous(adjective, dull, dark, gloomy) |
| blackish(adjective, dull, dark, gloomy) |
| crepuscular(adjective, dull, dark, gloomy) |
| dun(adjective, dull, dark, gloomy) |
| dusk(adjective, dull, dark, gloomy) |