4
extraterrestrial(fantastic, abstract, spiritual)
4
frail(adjective, waiflike)
4
godlike(divine, heavenly, spiritual, sublime, holy)
4
nonmaterial(heavenly, religious, sacred, holy, incorporeal)
4
nonphysical(adjective, heavenly, religious, immaterial, sacred)
4
otherworldly(adjective, good, pure, wonderful, exceptional)
4
phantom(adjective, extraordinary, unreasonable, inappropriate, absurd)
4
refined(adjective, slight, fine, thin, delicate)
4
wispy(adjective, unstable, vague, airy, volatile)
3
air-built
3
airlike
3
asomatous(heavenly, religious, sacred, holy, incorporeal)
3
astral(fantastic, divine, abstract, heavenly, spiritual)
3
atmospheric(adjective, light, slight, easy, thin)
3
attenuate(dull, light, slight, fine, thin)
3
attenuated(dull, light, weak, slight, fine)
3
blessed(divine, heavenly, spiritual, sublime, holy)
3
buoyant(adjective, light, slight, easy, thin)
3
conceptual(adjective, immaterial)
3
elusive(adjective, gentle, mild, subtle, insubstantial)
10 years ago|28k views|share |citing 
APASmart Define. (2016). ethereal thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ethereal/thesaurus/synonyms
ChicagoSmart Define. 2016. "ethereal thesaurus" https://smartdefine.org/ethereal/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, ethereal thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ethereal/thesaurus/synonyms>.
MLASmart Define. "ethereal thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/ethereal/thesaurus/synonyms>