jaunty

Synonyms: airy animated bold brash breezy buoyant carefree careless cocky dapper dashing debonair devilish devil-maycare easy exhilarated flip flippant forward free fresh frisky frolicsome gamesome gay high-spirited hilarious impetuous impish impudent jocose joking jolly jovial light natty nervy perky playful prankish provocative reckless rollicking self-confident showy smart sportive sporty sprightly spruce swaggering trim venturesome vivacious

Antonyms: depressed lethargic lifeless