Read the dictionary definition of vapourous. All definitions for this word.
1. filled with vapor
1. miasmic jungles
2. a vaporous bog
2. resembling or characteristic of vapor
1. vaporous clouds
3. so thin as to transmit light
1. a hat with a diaphanous veil
2. filmy wings of a moth
3. gauzy clouds of dandelion down
4. gossamer cobwebs
5. sheer silk stockings
6. transparent chiffon
7. vaporous silks