adj 1: characterized by lightness and insubstantiality; as impalpable or intangible as air; "figures light and
aeriform come unlooked for and melt away"- ThomasCarlyle; "aerial fancies"; "an airy apparition";
"physical rather than ethereal forms" [syn: aeriform aerial, airy, aery]
2: (chemistry) of or containing or dissolved in ether;
"ethereal solution"
3: of heaven or the spirit; "celestial peace"; "ethereal
melodies"; "the supernal happiness of a quiet death" [syn:
celestial, supernal]
4: characterized by unusual lightness and delicacy; "this
smallest and most ethereal of birds"; "gossamer shading
through his playing" [syn: gossamer]
Source: Webster's Revised Unabridged Dictionary (1913)