ethereal
adjective
1. characterized by lightness and insubstantiality; as impalpable or intangible as air
- physical rather than ethereal forms
Similar word(s): insubstantial, unreal, unsubstantial, aerial, aeriform, aery, airy
2. of or containing or dissolved in ether
- ethereal solution
3. of heaven or the spirit
- ethereal melodies
Similar word(s): heavenly, celestial, supernal
4. characterized by unusual lightness and delicacy
- this smallest and most ethereal of birds