Imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded; as, the cavern was gloomy.

Affected with, or expressing, gloom; melancholy; dejected; as, a gloomy temper or countenance.

dark, unlighted interrupt - stop someone talking or doing something

characterized by hopelessness; filled with gloom; "gloomy at the thought of what he had to face"; "gloomy predictions"; "a gloomy silence"; "took a grim view of the economy"; "the darkening mood"

depressing in character or appearance; "drove through dingy streets"; "the dismal prison twilight"- Charles Dickens; "drab old buildings"; "a dreary mining town"; "gloomy tenements"; "sorry routine that follows on the heels of death"- B.A.Williams

depressingly dark; "the gloomy forest"; "the glooming interior of an old inn"; "`gloomful' is archaic"

causing dejection; "a blue day"; "the dark days of the war"; "a week of rainy depressing weather"; "a disconsolate winter landscape"; "the first dismal dispiriting days of November"; "a dark gloomy day"; "grim rainy weather"