Definition of Vaporous

Adjective: vaporous vey-pu-rus

So thin as to transmit light
"vaporous silks";
- diaphanous, filmy, gauzy, gauze-like, gossamer, see-through, sheer, transparent, vapourous [Brit, non-standard], cobwebby, vapoury [Brit, Cdn], vapory [US]
Resembling or characteristic of vapour
"vaporous clouds";
- vaporific, vapourific [Brit, Cdn], vaporish [US], vapourish [Brit, Cdn], vapourous [Brit, non-standard], vapoury [Brit, Cdn], vapory [US]
Filled with vapour
"a vaporous bog";
- miasmal, miasmic, vapourous [Brit, non-standard], vapoury [Brit, Cdn], vapory [US]