serious, sober, unplayful

lighthearted, affectionate, whimsical, humorous, rambunctious, frisky, witty, cheeky, expressive, exuberant, flirtatious, goofy, childlike, endearing, sly, mischievous, frolicsome, sensual, joyful, extroverted, cute, quirky, jazzy, sassy, puppyish, irreverent, gentle, flirty, impish, charming, sarcastic, prankish, jaunty, ribald, bouncy, mellow, wry, puckish, chatty, lyrical, introspective, easygoing, comical, moody, uncontrived, carefree, sensuous, funny, jovial, cutesy, cheerful, delightful, zestful, imaginative, droll, girlish, jocular, lovable, tuneful, artful, jokey, polytonal, deadpan, antic, zany, edgy, reverent, winsome, funky, lively, amusing, mirthful, talkative, sociable, humourous, inventive, insouciant, beguiling, melancholy, teacherly, gestural, adorable, quippy, contemplative, dreamy, hilarious, poetic, gregarious, spunky, subtle, inquisitive, eggheaded, cuddly, effervescent, clownlike, songful, sardonic, excitable, girly, energetic, slapstick, melodic, earnest, keen, petty, bogies, boyish, extras, grand, hard, modern, nothing, picturesque, pleasing, queer, simple, slight, stony, terns, annoyances, antique, apparitions, flippant, sportive, deprecating, ironical, secretive, condescending, jocose, natured, roguish, vivacious, effacing, ingratiating, patronising

., archly, caper, capriole, coquetry, coy, dalliance, demure, devilish, facetiousness, faerie, faery, fairy, flirt, flirtation, flirting, frisky, impish, implike, in an arch manner, kittenish, mischievous, overmodest, pixilated, play, playfully, prankish, puckish, rascally, roguish, sprite, squeeze, teasing, toying

coltish, devilish, elfin, elfish, elvish, frisky, frolicky, frolicsome, impish, implike, kittenish, mischievous, mocking, pixilated, playing, prankish, puckish, quizzical, rascally, roguish, rollicking, sportive, teasing