ethereal

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”

of or containing or dissolved in ether

• “ethereal solution”

of heaven or the spirit

• “celestial peace”
• “ethereal melodies”
• “the supernal happiness of a quiet death”

characterized by unusual lightness and delicacy

• “this smallest and most ethereal of birds”
• “gossamer shading through his playing”