Thesaurus

Synonyms for Elfin include:

apparitional, bantam, bittie, bitty, charming, coltish, devilish, diminutive, dinky, dwarfish, eerie, eldritch, elfin, elfish, elflike, elvish, faerie, faery, fairy, fay, fey, flyspeck, frisky, frolicky, frolicsome, ghostlike, ghostly, gnomish, half-size, impish, implike, infinitesimal, itsy-bitsy, itty-bitty, kittenish, lesser, lilliputian, little, littler, magic, magical, marvellous, marvelous, metaphysical, micro, microscopic, midget, miniature, miniscule, minuscule, minute, miraculous, mischievous, mocking, necromantic, nonnatural, olive-sized, otherworldly, petite, phantasmal, pixilated, playful, pocket-size, pocket-sized, pocketable, prankish, preternatural, puckish, puny, quizzical, rascally, roguish, rollicking, runty, shrimpy, slender, slim, small, small-scale, smaller, smallish, sorcerous, spectral, spiritual, sportive, sprite, supernatural, talismanic, teasing, teensy, teensy-weensy, teentsy, teeny, teeny-weeny, tiny, transcendental, transmundane, uncanny, undersize, undersized, unearthly, unreal, wee, weensy, weeny, weird, wicked, witching, witchlike, wizard, wizardly

elfin is a ADJ.