| dingy(adjective, dull, soft, obscure, flat) |
| sooty(adjective, dull, soft, obscure, flat) |
| dull(adjective, flat, dark, gloomy, dirty) |
| murky(adjective, dull, soft, obscure, flat) |
| gloomy(adjective, dull, flat, dark, dirty) |
| dark(adjective, soft, obscure, flat, gloomy) |
| drab(adjective, dull, soft, obscure, flat) |
| dusky(adjective, dull, soft, obscure, flat) |
| caliginous(adjective, dull, dark, gloomy) |
| cloudy(adjective, dull, soft, obscure, flat) |
| dun(adjective, dull, soft, obscure, flat) |
| indistinct(adjective, dull, soft, obscure, flat) |
| obscure(adjective, dull, soft, flat, dark) |
| opaque(adjective, dull, soft, obscure, flat) |
| overcast(adjective, dull, soft, obscure, flat) |
| shadowy(adjective, dull, soft, obscure, flat) |
| somber(adjective, dull, soft, obscure, flat) |
| tenebrous(adjective, dull, dark, gloomy) |
| unlit(adjective, dull, soft, obscure, flat) |
| aphotic(adjective, dull, dark, gloomy) |