gaseous (adj.)
- adulterated
- aerial
- aerodynamic
- aery
- airy
- attenuate
- attenuated
- chimerical
- cut
- dilute
- diluted
- dreamlike
- ethereal
- fanciful
- fatuous
- fine
- flimsy
- gasified
- gassy
- illusory
- imaginary
- insubstantial
- mephitic
- miasmal
- miasmic
- pneumatic
- rare
- rarefied
- reeking
- shadowy
- slight
- smoking
- smoky
- spirituous
- steaming
- steamy
- subtle
- tenuous
- thin
- thinned
- unreal
- unsubstantial
- vaporish
- vaporous
- watered
- windy
