adj. 25B6; adjective DOWNCAST, downhearted, despondent, disconsolate, dispirited, crestfallen, disheartened; depressed, crushed, desolate, heartbroken, in the doldrums, sad, unhappy, doleful, melancholy, miserable, woebegone, forlorn, wretched, glum, gloomy; informal blue, down in the mouth, down in the dumps, fed up; Brit. informal brassed off, cheesed off.
cheerful.