Glum
Part of speech: adjective
Definition: Sad, despondent.
Sullen
Part of speech: adjective
Definition: having a brooding ill temper; sulky.dismal; somber.sluggish; slow.
Example sentence: 'The Queen Is Dead' is not merely the Smiths' best album, but it is one of those timeless, perfect, inexhaustible artifacts that could only have been made by a gang of sullen, sun-deprived rock & roll boys fighting off adulthood tooth and nail.