eupeptic

having or showing a good mood or disposition our eupeptic colleague was unfazed by our gloomy expressions and dire predictions Synonyms blithe, blithesome, bright, buoyant, canty [British dialect], cheery, chipper, cheerful, gay, gladsome, lightsome, sunny, upbeat, winsomeRelated Words hopeful, optimistic, rosy, sanguine; animated, chirpy, jaunty, lilting, lively, perky, sprightful, sprightly, vivacious; carefree, careless, cavalier, devil-may-care, easygoing, happy-go-lucky, insouciant, lighthearted, unconcerned; boon, gleeful, jocund, jolly, jovial, merry, mirthful; blissful, delighted, glad, gratified, happy, joyful, joyous, pleased, satisfied, tickled; beaming, grinning, laughing, smilingNear Antonyms joyless, sad, unhappy, unsatisfied; dull, lethargic, listless, sluggish, torpid; blue, brokenhearted, crestfallen, dejected, depressed, despondent, disconsolate, disheartened, down, downcast, downhearted, droopy, forlorn, hangdog, heavyhearted, inconsolable, low, low-spirited, melancholy, mirthless, sorrowfulAntonyms dour, gloomy, glum, morose, saturnine, sulky, sullen