Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc.
Pertaining to the (real or hypothetical) upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere.
To do with diethyl ether.
Pertaining to the immaterial realm, as symbolically represented by, or (in earlier epochs) conflated with, such atmospheric and extra-atmospheric concepts.
Not expressed or exhibited in material or concrete form; wholly abstract.
Not united in a regimented structure; lacking structure and order.
Existing or operating without involvement by the body; solely mental or intellectual; “ungrounded”, “heady”.
Not incorporated into a coherent system; conceptually disconnected.
Incorporeal; not possessed of a body.