Definitions
1.NounDarkness, dimness, or obscurity."the gloom of a forest, or of midnight"
2.NounA depressing, despondent, or melancholic atmosphere.
3.NounCloudiness or heaviness of mind; melancholy; aspect of sorrow; low spirits; dullness.
4.NounA drying oven used in gunpowder manufacture.
5.VerbTo be dark or gloomy.
6.VerbTo look or feel sad, sullen or despondent.
7.VerbTo render gloomy or dark; to obscure; to darken.
8.VerbTo fill with gloom; to make sad, dismal, or sullen.
9.VerbTo shine or appear obscurely or imperfectly; to glimmer.