| shadow(noun, dimness) |
| shapelessness(noun, obscurity) |
| sheep(noun, gloom, veil, cloud, obscurity) |
| smog(gloom, obscurity, darkness, puff, mist) |
| smoke(gloom, obscurity, darkness, puff, mist) |
| smother(noun, gloom, veil, cloud, obscurity) |
| sogginess(wet, warmth, closeness, steam, evaporation) |
| steam(noun, gloom, wet, warmth, veil) |
| steaminess(noun, wet, warmth, closeness, steam) |
| stickiness(noun, wet, warmth, closeness, steam) |
| sultriness(noun, wet, warmth, closeness, steam) |
| sweatiness(noun, wet, warmth, closeness, steam) |
| swelter(noun, wet, warmth, closeness, steam) |
| thickness(noun, wet, warmth, closeness, steam) |
| thunderhead(noun, gloom, veil, cloud, obscurity) |
| uncertainty |
| uncertainty of |
| vapor(noun, gloom, obscurity, darkness, puff) |
| vaporization(wet, warmth, closeness, steam, evaporation) |
| veil(gloom, obscurity, darkness, puff, mist) |