Synonyms and related words :
air-built, airy, alcoholic, ardent, chimerical, cloud-built, dreamlike, ethereal, fanciful, fatuitous, fatuous, gaseous, gossamery, hard, illusory, imaginary, phantomlike, rarefied, shadowy, strong, subtile, subtle, tenuous, unreal, vaporous, vinous, windy, winy, with a kick