| lurid(adjective, dull, dark, gloomy, dim) |
| mat(adjective, dull, dark, gloomy, faint) |
| morose(sad, dark, dim, depressing) |
| mournful(adjective, sad, sorrow, depression, woe) |
| muddy(adjective, dull, soft, obscure, flat) |
| muted(adjective, dull, quiet, soft, obscure) |
| nubilous(dark, gloomy, gray, dense, cloudy) |
| obscured(adjective, dull, dark, gloomy, faint) |
| pale(adjective, dull, quiet, low, delicate) |
| slate(adjective, dull, obscure, lead, dark) |
| smoky(adjective, dull, obscure, lead, dark) |
| sober(adjective, dull, quiet, soft, obscure) |
| solemn(adjective, dull, sad, dark, sorrow) |
| tawny(adjective, brownish) |
| unclear(adjective, dull, obscure, dark, gloomy) |
| Dove(adjective, dull, lead, grim, leaden) |
| adumbral(cool, dark, shady, dappled, shaded) |
| afflictive(adjective, sad, sorrow, depression, woe) |
| all-a-mort(adjective, sad, sorrow, depression, woe) |
| ambiguous |