[adjective] characterized by lightness and insubstantiality; as impalpable or intangible as air; "figures light and aeriform come unlooked for and melt away"- Thomas Carlyle; "aerial fancies"; "an airy apparition"; "physical rather than ethereal forms" Synonyms:aeriform, aerial, airy, aery
[adjective] of or containing or dissolved in ether; "ethereal solution"
[adjective] of heaven or the spirit; "celestial peace"; "ethereal melodies"; "the supernal happiness of a quiet death" Synonyms:celestial, supernal
[adjective] characterized by unusual lightness and delicacy; "this smallest and most ethereal of birds"; "gossamer shading through his playing" Synonyms:gossamer