sullen

1 causing or marked by an atmosphere lacking in cheer sullen skies that matched our mood on the day of the funeral Synonyms black, bleak, cheerless, chill, Cimmerian, cloudy, cold, comfortless, dark, darkening, depressing, depressive, desolate, dire, disconsolate, dismal, drear, dreary, dreich [chiefly Scottish], elegiac (also elegiacal), forlorn, funereal, glum, godforsaken, gray (also grey), lonely, lonesome, lugubrious, miserable, morbid, morose, murky, plutonian, saturnine, sepulchral, solemn, somber (or sombre), gloomy, sunless, tenebrific, tenebrous, wretchedRelated Words blue, dejected, depressed, despondent, disconsolate, down, droopy, hangdog, inconsolable, low, melancholic, melancholy, mirthless, sad, unhappy, woebegone, woeful; dim, discomfiting, discouraging, disheartening, dismaying, dispiriting, distressful, distressing, upsetting; desperate, hopeless, pessimistic; lamentable, mournful, plaintive, sorrowful; colorless, drab, dull; dour, grim, lowering (also louring), lowery (also loury), menacing, negative, oppressive, threateningNear Antonyms blithe, blithesome, buoyant, gay, jocund, jolly, joyful, joyous, merry, mirthful; encouraging, hopeful, optimistic; lighthearted, lightsomeAntonyms bright, cheerful, cheering, cheery, comforting, cordial, festive, friendly, gay, heartwarming, sunshiny

2 given to or displaying a resentful silence and often irritability sullen and bored at his in-laws' house, he couldn't wait for the holidays to end Synonyms glum, mopey, pouting, pouty, sulky, surlyRelated Words dour, gloomy, morose; choleric, crabby, cranky, cross, crotchety, grouchy, grumpy, irascible, irritable, peevish, perverse, pettish, petulant, prickly, quick-tempered, raspy, ratty, short-tempered, snappish, snappy, snarky, snippety, snippy, testy, waspish; brooding, moping; bearish, bilious, cantankerous, disagreeable, dyspeptic, ill-humored, ill-natured, ill-tempered, ornery; huffy, sensitive, temperamental, tetchy, thin-skinned, touchyNear Antonyms sociable; cheerful, cheery, gladsome, good-humored, good-natured, good-tempered, perky, sunny; carefree, easygoing, happy-go-lucky, relaxed