| cloud(noun, mass, obscurity, puff, bubble) |
| mist(noun, gloom, obscurity, darkness, puff) |
| scud(gloom, cloud, obscurity, darkness, puff) |
| haze(noun, gloom, veil, cloud, obscurity) |
| rack(gloom, obscurity, darkness, puff, bubble) |
| steam(gloom, obscurity, darkness, puff, bubble) |
| thunderhead(noun, gloom, veil, cloud, obscurity) |
| vapor(gloom, obscurity, darkness, puff, bubble) |
| billow(gloom, obscurity, darkness, puff, mist) |
| brume(gloom, obscurity, darkness, puff, mist) |
| darkness(gloom, obscurity, puff, mist, fogginess) |
| dimness(gloom, obscurity, darkness, puff, mist) |
| film(gloom, obscurity, darkness, puff, mist) |
| fogginess(noun, gloom, veil, cloud, obscurity) |
| frost(gloom, obscurity, darkness, puff, mist) |
| gloom(obscurity, darkness, puff, mist, fogginess) |
| haziness(noun, gloom, veil, cloud, obscurity) |
| murk(gloom, obscurity, darkness, puff, mist) |
| nebula(gloom, obscurity, darkness, puff, mist) |
| nebulosity(noun, gloom, veil, cloud, obscurity) |