Synonyms and related words :
airy, attenuate, attenuated, birdbrained, birdwitted, bubbly, dainty, delicate, downy, ethereal, featherbrained, feathery, filmy, fine, fine-drawn, fine-grained, finespun, fleecy, flighty, flossy, foamy, frivolous, frothy, furry, fuzzy, gauzy, gossamer, gossamery, hirsute, imponderous, insubstantial, lanate, leger, light, light as air, lighter than vanity, lightweight, mousse, nappy, peachy, pinnate, pubescent, puffy, refined, satin, satiny, shallow, shallow-headed, shallow-minded, shallow-pated, shallow-witted, silky, smooth, soft, souffle, superficial, thin, thin-spun, trivial, unheavy, unimportant, unprofound, velutinous, velvety, volatile, weightless, whipped up, wiredrawn, wispy, woolly, yeasty