| crepuscular(adjective, dull, obscure, dark, gloomy) |
| ill-lighted(adjective, dull, dark, gloomy) |
| lurid(adjective, dull, dark, sorrow, gloomy) |
| smoggy(adjective, dull, obscure, hazy) |
| Cimmerian(adjective, dull, dark, gloomy) |
| caliginous(adjective, dull, obscure, dark, gloomy) |
| dun(adjective, dull, soft, obscure, flat) |
| dusk(adjective, dull, dark, gloomy, dirty) |
| grimy(adjective, dull, soft, obscure, flat) |
| mushy(adjective, dull, obscure, gloomy) |
| overclouded(dull, dark, black, depressing) |
| sad(adjective, dull, hard, difficult, dark) |
| thick(adjective, dull, obscure, dirty) |
| aphotic(adjective, dull, dark, gloomy) |
| atramentous(adjective, dull, dark, gloomy) |
| blackish(adjective, dull, dark, gloomy) |
| forlorn(dull, dark, gloomy, miserable) |
| pitch-black(adjective, dull, dark, gloomy) |
| pitch-dark(adjective, dull, dark, gloomy) |
| pitchy(adjective, dull, dark, gloomy) |