indomitable, impish, indefatigable, effervescent, ebullient, redoubtable, fearless, feisty, exuberant, inimitable, vivacious, unflappable, sprightly, genial, garrulous, spunky, affable, ageless, charismatic, energetic, mercurial, puckish, steely, voluble, coltish, pugnacious, precocious, wily, gregarious, spritely, imperious, extrovert, likeable, amiable, irascible, enigmatic, flamboyant, youthful, cheerful, pluckiest, ferocious, unerring, endearing, jovial, guileless, puppyish, chirpy, rumbustious, doughty, uninhibited, industrious, diminutive, zestful, excitable, delightful, dauntless, uncontainable, imperturbable, pixieish, irresistible, brash, tigerish, tenacious, unflagging, preternatural, unstoppable, mesmerizing, loquacious, joie de vivre, jocular, mirthful, beguiling, implacable, peerless, spirited, avuncular, electrifying, insouciant, mesmeric, mischievous, nonpareil, tireless, childlike, fearsome, cocksure, impetuous, inextinguishable, swashbuckling, lovable, roguish, winsome, iconoclastic, inexhaustible, stalwart, protean, bumptious, eloquent, unquenchable, equanimous, rabelaisian, elfin, antic, unrepressed, overmastering, uncontrollable, ungovernable, suppressed, unrestrained, repressed, passionate, overpowering, intensest, unbridled, buoyant, restrained, sublimated, ungoverned

buoyancy, irrepressibility

uncontrollable, uncontrolled