| imponderable(heavenly, incorporeal) |
| indifferent |
| insensible(adjective, heavenly, incorporeal) |
| otherworldly(religious, sacred, holy) |
| shadowy(heavenly, incorporeal) |
| supernatural(abstract, heavenly, theoretical, abstruse, philosophical) |
| unearthly(abstract, heavenly, theoretical, abstruse, philosophical) |
| unembodied(adjective, heavenly, airy, insensible, immaterial) |
| unfleshly(adjective, supernatural, abstract, heavenly, airy) |
| unphysical(abstract, theoretical, religious, sacred, abstruse) |
| unworldly(heavenly, incorporeal) |
| abstract(theoretical, abstruse, philosophical) |
| abstruse(abstract, theoretical, philosophical) |
| aerial(heavenly, incorporeal) |
| apparitional(adjective, heavenly, airy, insensible, immaterial) |
| asomatous(adjective, refined, heavenly, airy, insensible) |
| astral |
| celestial(heavenly, incorporeal) |
| deep(abstract, theoretical, abstruse, philosophical) |
| difficult(abstract, theoretical, abstruse, philosophical) |