Gloom

1. To render gloomy or dark; to obscure; to darken.
2. Cloudiness or heaviness of mind; melancholy; aspect of sorrow; low spirits; dullness.
3. To fill with gloom; to make sad, dismal, or sullen.
4. A shady, gloomy, or dark place or grove.
5. Partial or total darkness; thick shade; obscurity; as, the gloom of a forest, or of midnight.
6. In gunpowder manufacture, the drying oven.
7. To become dark or dim; to be or appear dismal, gloomy, or sad; to come to the evening twilight.
8. To shine or appear obscurely or imperfectly; to glimmer.