| dark(adjective, dull, light, cool, soft) |
| gloomy(adjective, dull, obscure, sad, dark) |
| murky(adjective, dull, light, soft, obscure) |
| obscure(adjective, dull, light, soft, flat) |
| shadowy(adjective, dull, cool, soft, obscure) |
| shady(adjective, dull, cool, dark, gloomy) |
| somber(adjective, dull, soft, obscure, lead) |
| tenebrous(adjective, dull, dark, gloomy) |
| cloudy(adjective, dull, cool, soft, obscure) |
| dull(adjective, quiet, obscure, dark, gloomy) |
| overcast(adjective, dull, soft, obscure, flat) |
| dingy(adjective, dull, soft, obscure, lead) |
| crepuscular(adjective, dull, obscure, dark, gloomy) |
| unlit(adjective, dull, soft, obscure, flat) |
| caliginous(adjective, dull, light, dark, gloomy) |
| dreary(adjective, dull, obscure, sad, dark) |
| dusk(noun, adjective, dull, dark, gloomy) |
| inky(adjective, dull, obscure, dark, gloomy) |
| opaque(adjective, dull, soft, obscure, flat) |
| sunless(adjective, dull, dark, gloomy) |