Vaporous

Adjective:
1. So thin as to transmit light
2. Resembling or characteristic of vapor
3. Filled with vapor

Usage:
1. Vaporous skills
2. Vaporous clouds
3. A vaporous bog

Synonyms:
1. Cobwebby
2. Diaphanous
3. Filmy
4. Gauze-like
5. Gauzy
6. Gossamer
7. Miasmal
8. Miasmic
9. See-Through
10. Sheer
11. Transparent
12. Vaporific
13. Vaporish
14. Vapory