ethereal

Adjective

1. 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
   • Similar to
     • insubstantial
     • unsubstantial
     • unreal
   • Related
     • airiness
     • buoyancy
2. of or containing or dissolved in ether; “ethereal solution”
   • Pertains to
     • ether
     • ethoxyethane
     • divinyl ether
     • vinyl ether
     • diethyl ether
     • ethyl ether
   • Related
     • ether
     • ether
     • ethoxyethane
     • divinyl ether
     • vinyl ether
     • diethyl ether
     • ethyl ether
   • Topic Members
     • chemistry
     • chemical science
3. of heaven or the spirit; “celestial peace”; “ethereal melodies”; “the supernal happiness of a quiet death”
   • Synonyms
     • celestial
     • supernal
   • Similar to
     • heavenly
   • Related
     • quintessence
     • ether
4. characterized by unusual lightness and delicacy; “this smallest and most ethereal of birds”; “gossamer shading through his playing”
   • Synonyms
     • gossamer
   • Similar to
     • delicate
   • Related
     • cobweb
     • gossamer
     • gossamer

From LookUp: Adjective

1. extremely delicate and light in a way that seems too perfect for this world her ethereal beauty | a singer who has a weirdly ethereal voice

heavenly or spiritual ethereal, otherworldly visions

1. Chemistry (of a solution) having diethyl ether as a solvent sodium is dissolved in ethereal solutions of aromatic ketones