| fog(verb, obscure, deepen, blacken) |
| gray(verb, adjective, obscure, gloomy) |
| haze(verb, obscure, deepen, blacken) |
| make dim(verb, expression, obscure, deepen) |
| murk(verb, obscure, deepen, blacken) |
| obfuscate(verb, obscure, deepen, blacken) |
| obfuscous(adjective, dull, dark, gloomy) |
| overshadow(verb, obscure, deepen, blacken) |
| shade(verb, obscure, deepen, blacken) |
| shadow(verb, obscure, deepen, blacken) |
| tone down(verb, expression, obscure, deepen) |
| acheronian(dark, depressing) |
| acherontic(dark, depressing) |
| bad(dark, depressing) |
| bleak(adjective, dull, dark, black) |
| cast a shadow(verb, expression, idiom, deepen) |
| comfortless(dark, depressing) |
| darken(verb, deepen, blacken, hazing) |
| depressive(dark, depressing) |
| desolate(adjective, dull, dark, black) |