| gauze(covering, fold, coat, cloud, obscurity) |
| gloom(obscurity, darkness, puff, mist, fog) |
| haze(noun, covering, gloom, fold, cloud) |
| haziness(covering, gloom, fold, cloud, obscurity) |
| horsehead |
| horsehead nebula |
| interstellar cloud(expression, idiom) |
| layer(covering, fold, coat, cloud, obscurity) |
| leaf(covering, fold, coat, cloud, obscurity) |
| little cloudiness |
| murk(gloom, obscurity, darkness, puff, mist) |
| smog(gloom, obscurity, darkness, puff, mist) |
| smother(gloom, obscurity, darkness, puff, mist) |
| snake |
| snake nebula |
| steam(noun, gloom, obscurity, darkness, puff) |
| thunderhead(gloom, obscurity, darkness, puff, mist) |
| tissue mist(expression, covering, fold, coat, cloud) |
| transparency(covering, fold, coat, cloud, obscurity) |
| vapor(noun, gloom, cloud, obscurity, darkness) |