What is another word for "vaporous"?

Roget's Thesaurus (1911) lists these synonyms for "vaporous": aeration, aerial, aerification, aeriform, aerodynamics, aerostatics, air, airy, alkali, ammonia, ammoniacal, bladder, cloud, cloudiness, cloudy, diffuse, dim, dirty, effluvium, elastic, emit, essence, ether, ethereal, evanesce, evaporable, evaporate, film, fish, flatulence, flatulency, flatulent, flatus, fluid, fog, foggy, fuliginous, fume, fumid, gas.