To appear dimly; be seen in an imperfect or waning light; glimmer; be in darkness or obscurity.
To exhibit or produce a somber or melancholy feeling; appear sad, gloomy, or dismal; frown; lower.
To darken, or make dark, gloomy, or somber.
To fill with gloom or despondency; make gloomy or sad.
noun.
Dim, glimmering shade; deep twilight; cheerless obscurity; darkness: as, the gloom of a forest.
noun.
Hence — A dark place.
noun.
Cloudiness or heaviness of mind; dejection, melancholy, sullenness, and the like, or an aspect indicative of such feelings.
noun.
A depressing or disheartening condition of affairs; a dismal aspect or prospect.
noun.
In gunpowder-manuf., the drying-oven.