| Cimmerian(adjective, characteristic, black, rare, inky) |
| crepuscular(adjective, literary, characteristic, dull, situation) |
| desolate(adjective, dull, bad, light, low) |
| lightless(adjective, dull, obscure, gloomy, uncertain) |
| unclear(adjective, hard, obscure, rough, gloomy) |
| blurred(adjective, dull, obscure, rough, gloomy) |
| dispiriting(adjective, dull, obscure, unhappy, gloomy) |
| comfortless(adjective, sad, black, feature, dull) |
| ill-lighted(adjective, feature, description, characteristics, gloomy) |
| muddy(adjective, dull, soft, obscure, flat) |
| rayless(adjective, gloomy, lack, black) |
| blackish(adjective, gloomy, lack, color) |
| shaded(adjective, dull, cool, gloomy, lack) |
| dun(adjective, soft, obscure, flat, gloomy) |
| indefinite(adjective, dull, weak, rough, strange) |
| unintelligible(adjective, hard, obscure, rough, solid) |
| grimy(adjective, soft, obscure, flat, gloomy) |
| depressive(adjective, dull, gloomy, bleak) |