miasmic

adjective2

1. •
   Filled with miasma; containing noxious vapors.

   • Will thought of the shadowy miasmic forest they would all soon move into, a way of living that was an inversion of all their values. — 1965
2. •
   Composed of or resembling vapors.

   • Such experiences were unlike dreams, or any of the miasmic apparitions that arise in the natural psyche, below the mind. — 1974