Pertaining to the immaterial realm, as symbolically represented by, or (in earlier epochs) conflated with, such atmospheric and extra-atmospheric concepts.
Pertaining to the (real or hypothetical) upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere.
Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc.
To do with diethyl ether.
Of, concerned with, or preoccupied with a different world than that of the tangible here and now, such as a heavenly, spiritual, or imaginary world.
Not belonging to the real world; unnatural; odd and unfamiliar.