Synonyms of ethereal

1. aeriform, aerial, airy, aery, ethereal, insubstantial (vs. substantial), unsubstantial, unreal: usage: 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"
2. ethereal: usage: of or containing or dissolved in ether; "ethereal solution"
3. celestial, ethereal, supernal, heavenly (vs. earthly): usage: of heaven or the spirit; "celestial peace"; "ethereal melodies"; "the supernal happiness of a quiet death"
4. ethereal, gossamer, delicate (vs. rugged): usage: characterized by unusual lightness and delicacy; "this smallest and most ethereal of birds"; "gossamer shading through his playing"