buoyant

1 having or showing a good mood or disposition all the fans were buoyant the day after the big win in the play-offs Synonyms blithe, blithesome, bright, cheerful, canty [British dialect], cheery, chipper, eupeptic, 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

2 joyously unrestrained gave him a buoyant hug and kiss upon meeting him at the airport Synonyms bouncy, bubbly, exuberant, crank [chiefly dialect], effervescent, frolic, frolicsome, gamesome, gay, high-spirited, vivaciousRelated Words extroverted (also extraverted), outgoing, uninhibited; carefree, happy-go-lucky, insouciant, joyful, lighthearted, lively, sprightly; boisterous, raucous, rollicking, rowdy; giddy, light-headed, overexuberant, silly; ecstatic, euphoric, lyric, rapturous; audacious, bold, brash, brazen, impertinent, impudent, insolent, saucyNear Antonyms constrained, inhibited, repressed, restrained, subdued; impassive, phlegmatic, stoic (or stoical), stolid; depressed, dour, glum, morose, surlyAntonyms low-spirited, sullen