'vapourous' definitions:

Definition of 'vapourous'

(from WordNet)
adjective
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, gauze-like, gossamer, see-through, sheer, transparent, vaporous, vapourous, cobwebby]
adjective
Resembling or characteristic of vapor; "vaporous clouds" [syn: vaporific, vapourific, vaporish, vapourish, vaporous, vapourous]
adjective
Filled with vapor; "miasmic jungles"; "a vaporous bog" [syn: miasmal, miasmic, vaporous, vapourous]