etheric /iˈθɛɹ.ɪk/ adjective1 •Of or pertaining to the ether (all-pervading medium); composed of ether; inhabiting the ether."It is usually allowed that there is the natural body, as St. Paul called it, which is dissolved at death, and the etheric or spiritual body which survives and functions upon an etheric plane." — 1925 formsmore etheric · most etheric