[1] : The Collaborative International Dictionary of English v.0.48

vaporous \va"porous\ v=a"p~eru^s`, a. l. vaporosus:
   cf. f. vaporeux.
   1913 webster
   1. having the form or nature of vapor. --holland.
      1913 webster

   2. full of vapors or exhalations. --shak.
      1913 webster

            the warmer and more vaporous air of the valleys.
                                                  --derham.
      1913 webster

   3. producing vapors; hence, windy; flatulent. --bacon.
      1913 webster

            the food which is most vaporous and perspirable is
            the most easily digested.             --arbuthnot.
      1913 webster

   4. unreal; unsubstantial; vain; whimsical.
      1913 webster

            such vaporous speculations were inevitable.
                                                  --carlyle.
      1913 webster

[2] : WordNet (r) 2.0

vaporous
     adj 1: so thin as to transmit light; "a hat with a diaphanous
            veil"; "filmy wings of a moth"; "gauzy clouds of
            dandelion down"; "gossamer cobwebs"; "sheer silk
            stockings"; "transparent chiffon"; "vaporous silks"
            syn: diaphanous, filmy, gauzy, gossamer, see-through,
             sheer, transparent, cobwebby
     2: resembling or characteristic of vapor; "vaporous clouds"
        syn: vaporific, vaporish, vapourish
     3: filled with vapor; "miasmic jungles"; "a vaporous bog" syn:
         miasmal, miasmic
see also:
diaphanous filmy gauzy gossamer see-through sheer 
transparent cobwebby vaporific vaporish vapourish 
miasmal miasmic 

[3] : Moby Thesaurus II by Grady Ward, 1.0

79 moby thesaurus words for "vaporous":
   adulterated, aerial, aerodynamic, aerostatic, aery, air-built,
   airy, attenuate, attenuated, chimeric, chimerical, cloud-born,
   cloud-built, cloud-woven, cloudy, cut, dilute, diluted, dreamlike,
   ethereal, fanciful, fatuitous, fatuous, fine, flimsy, foggy,
   fuming, fumy, gaseous, gasified, gasiform, gaslike, gassy,
   gossamery, illusory, imaginary, insubstantial, mephitic, miasmal,
   miasmatic, miasmic, misty, mushy, oxyacetylene, oxygenous, ozonic,
   phantasmal, phantomlike, pneumatic, rare, rarefied, reeking, reeky,
   shadowy, slight, smoking, smoky, spirituous, steaming, steamy,
   subtile, subtle, tenuous, thin, thinned, thinned-out, uncompact,
   uncompressed, unreal, unsubstantial, vague, vaporing, vaporish,
   vaporlike, vapory, watered, watered-down, windy, wispy

Vaporous >> V Words
Vaporous, definition of term: Vaporous
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