vapourous

adjectives

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"
cobwebby, diaphanous, filmy, gauze-like, gauzy, gossamer, see-through, sheer, transparent, vaporous, vapourous
resembling or characteristic of vapor
"vaporous clouds"
vaporific, vaporish, vaporous, vapourific, vapourish, vapourous
filled with vapor
"miasmic jungles"; "a vaporous bog"
miasmal, miasmic, vaporous, vapourous