| dark(adjective, obscure, dull, gloomy, feature) |
| obscure(adjective, dull, hard, soft, obscure) |
| hazy(adjective, dull, light, soft, obscure) |
| cloudy(adjective, dull, light, soft, obscure) |
| murky(adjective, dull, soft, obscure, flat) |
| vague(adjective, dull, hard, obscure, difficult) |
| dull(adjective, obscure, flat, slow, dark) |
| foggy(adjective, dull, obscure, dark, gloomy) |
| nebulous(adjective, dull, obscure, dark, gloomy) |
| misty(adjective, dull, light, obscure, dark) |
| blurred(adjective, dull, light, obscure, flat) |
| indistinct(adjective, dull, soft, obscure, flat) |
| shadowy(adjective, dull, soft, obscure, flat) |
| clouded(adjective, dull, obscure, dark, gloomy) |
| dusky(adjective, dull, soft, obscure, flat) |
| gloomy(adjective, dull, flat, dark, dirty) |
| tenebrous(adjective, dull, hard, obscure, difficult) |
| dusk(noun, adjective, dull, dark, gloomy) |
| faint(adjective, dull, obscure, dark, gloomy) |
| indefinite(dull, obscure, gloomy, uncertain) |