Synonyms and related words :
beetle, beetling, black, black-browed, dark, dejected, dour, dumpish, frowning, glowering, glum, grim, grum, impendent, impending, incumbent, jutting, lowering, melancholy, moodish, moody, mopey, moping, mopish, morose, mumpish, overhanging, overhung, pending, projecting, scowling, sulky, sullen, superincumbent, surly