1. [ adjective ] characterized by lightness and insubstantiality; as impalpable or intangible as air
Synonyms: aerial airy aery aeriform

"figures light and aeriform come unlooked for and melt away"- Thomas Carlyle "aerial fancies" "an airy apparition" "physical rather than ethereal forms"

Related terms: insubstantial
2. [ adjective ] (chemistry) of or containing or dissolved in ether

"ethereal solution"

Related terms: chemistry ether
3. [ adjective ] (religion) of heaven or the spirit
Synonyms: celestial supernal

"celestial peace" "ethereal melodies" "the supernal happiness of a quiet death"

Related terms: heavenly
4. [ adjective ] characterized by unusual lightness and delicacy
Synonyms: gossamer

"this smallest and most ethereal of birds" "gossamer shading through his playing"

Related terms: delicate
Similar spelling:   etherealize