| quiet(adjective, dull, weak, soft, slight) |
| shaded(adjective, dull, cool, dark, gloomy) |
| somber(adjective, dull, soft, obscure, flat) |
| sunless(adjective, dull, dark, gloomy) |
| unlit(adjective, dull, soft, obscure, flat) |
| whispered(adjective, dull, quiet, weak, soft) |
| aphotic(adjective, dull, dark, gloomy) |
| atramentous(adjective, dull, dark, gloomy) |
| blackish(adjective, dull, dark, gloomy) |
| darkened(adjective, dull, dark, gloomy) |
| faded(adjective, dull, weak, soft, gentle) |
| ill-lighted(adjective, dull, dark, gloomy) |
| inky(adjective, dull, dark, gloomy) |
| lurid(adjective, dull, dark, gloomy) |
| obfuscous(adjective, dull, obscure, dark, gloomy) |
| pitch-black(adjective, dull, dark, gloomy) |
| pitch-dark(adjective, dull, dark, gloomy) |
| pitchy(adjective, dull, dark, gloomy) |
| rayless(adjective, dull, dark, gloomy) |
| smoggy(adjective, dull, obscure, cloudy) |