Adjective: miasmic
- Filled with vapour
"miasmic jungles";
- miasmal, vaporous, vapourous [Brit, non-standard], vapoury [Brit, Cdn]
- Foul-smelling and noxious, especially of gases or vapours
"The miasmic air near the factory was hard to breathe";
- mephitic
See also: cloudy, ill-smelling, malodorous, malodourous [Brit, Cdn, non-standard], minging [Brit, informal], niffy [Brit, informal], pongy [Brit, informal], stinky [informal], unpleasant-smelling, whiffy [Brit, informal]