Synonyms and related words :
beetle-browed, black, black-browed, brooding, broody, chapfallen, close-lipped, crabbed, crestfallen, dark, dejected, depressed, dismal, dispirited, doleful, dour, down, dumpish, frowning, gloomy, glowering, grim, grum, long-faced, low, lowering, lugubrious, melancholy, moodish, moody, mopey, moping, mopish, morose, mumpish, oppressed, pessimistic, sad, saturnine, scowling, silent, sour, sulky, sullen, surly, taciturn, tight-lipped, woebegone