| opacity(covering, fold, coat, cloud, obscurity) |
| overcast(gloom, obscurity, darkness, puff, mist) |
| partition(covering, fold, coat, cloud, obscurity) |
| pea soup(expression, gloom, obscurity, darkness, puff) |
| pellicle(covering, fold, coat, cloud, obscurity) |
| planetary nebula |
| pother(gloom, obscurity, darkness, puff, mist) |
| puff(gloom, obscurity, darkness, mist, fogginess) |
| rack(gloom, obscurity, darkness, puff, mist) |
| ring nebula |
| scud(gloom, obscurity, darkness, puff, mist) |
| scum(covering, fold, coat, cloud, obscurity) |
| sheep(gloom, obscurity, darkness, puff, mist) |
| sheet(covering, fold, coat, cloud, obscurity) |
| skin(covering, fold, coat, cloud, obscurity) |
| astronomer's sighting |
| brume(covering, gloom, fold, cloud, obscurity) |
| cloudiness(noun, obscurity, fogginess, mistiness) |
| mist(noun, gloom, obscurity, darkness, puff) |
| mistiness(noun, covering, fold, coat, cloud) |