adj. 25B6; adjective SAD, sorrowful, doleful, melancholy, melancholic, woeful, grief-stricken, miserable, unhappy, heartbroken, broken-hearted, gloomy, dismal, desolate, dejected, despondent, depressed, downcast, disconsolate, woebegone, forlorn, rueful, lugubrious, joyless, cheerless; poetic/literary dolorous.
cheerful.