Definition of Gloom

Gloom

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