| dark(adjective, dull, light, cool, soft) |
| gloomy(adjective, dull, obscure, sad, dark) |
| murky(adjective, dull, light, soft, obscure) |
| dim(adjective, dull, quiet, light, cool) |
| obscure(adjective, dull, light, soft, flat) |
| shadowy(adjective, dull, cool, soft, obscure) |
| shady(adjective, dull, cool, dark, gloomy) |
| somber(adjective, dull, soft, obscure, lead) |
| swarthy(adjective, dark, pitch, black, gray) |
| tenebrous(adjective, dull, dark, gloomy, dim) |
| cloudy(adjective, dull, cool, soft, obscure) |
| dismal(adjective, sad, dark, sorrow, depression) |
| grey(adjective, dull, lead, leaden, mousy) |
| dull(adjective, quiet, obscure, dark, gloomy) |
| gray(adjective, dull, dark, gloomy, grim) |
| swart(noun, adjective, murky) |
| overcast(adjective, dull, soft, obscure, flat) |
| sombre(adjective, clouded) |
| dingy(adjective, dull, soft, obscure, lead) |
| crepuscular(adjective, dull, obscure, dark, gloomy) |