Synonyms for Vaporous:

adj.

airy (adjective)
aerial, airy, atmospheric, breezy, climactic, fleeting, immaterial, misty, smoggy, windy, Vapory.
fanciful (adjective)
airy.
gaseous (adjective)
gaseous, miasmic, rarefied, steamy, Reeky, atmospheric.
nonexistent (adjective)
Gossamery.
unreal (adjective)
unsubstantial.

n.

aerial, aery, thick, Gossamery, Vapory. fanciful (noun)
fleeting, imaginary, unsubstantial.
foggy (noun)
aerial, haze, misty, smoggy, Vapory.
vaporous (noun)
cloudy, cobwebby, diaphanous, filmy, gaseous, gauzy, gossamer, miasmal, miasmic, sheer, thin, transparent, vaporific, vaporish, vapourish, see through.

Other synonyms:

aery, Gossamery, Vapory. aerial. Other relevant words:
aerial, aery, airy, cloudy, cobwebby, diaphanous, filmy, fleeting, gauzy, gossamer, imaginary, miasmal, misty, sheer, smoggy, thin, transparent, unsubstantial, vaporific, vaporish, vapourish, Gossamery, Vapory, see through.

Usage examples for vaporous

  1. Gloomy and weird the forest loomed across with all its fantastic, indistinct shadows; and here in the vaporous meadow the moist veil rose, ever thicker and thicker, hovered hither and thither, finally massing itself over the small piece of water. – Under a Charm, Vol. II. (of III) A Novel by E. Werner
  2. For some time the two were silent, the sun shining down warmly on them through the faint, vaporous green of the tiny leaves. – Hillsboro People by Dorothy Canfield
  3. As I entered, the vaporous atmosphere was palpitating to the low, liquid tinkling of an invisible musical box. – Prince Zaleski by M.P. Shiel