| spiritual(adjective, heavenly, immaterial, incorporeal, nonmaterial) |
| supernatural(adjective, heavenly, indistinguishable, imperceptible, immaterial) |
| unearthly(adjective, heavenly, immaterial, incorporeal, nonmaterial) |
| unworldly(adjective, heavenly, immaterial, incorporeal, nonmaterial) |
| weightless(adjective, levity) |
| buoyant(adjective, impulsive, unpredictable, levity, explosive) |
| inestimable |
| infinitesimal(adjective, imperceptible) |
| nonphysical(adjective, heavenly, immaterial, incorporeal, nonmaterial) |
| unnoticeable(adjective, knowledge, imperceptible) |
| volatile(adjective, vague, changeable, subtle, ambiguous) |
| aerial(light, weak, slight, heavenly, flimsy) |
| asomatous(heavenly, incorporeal, nonmaterial) |
| discarnate(heavenly, incorporeal, nonmaterial) |
| disembodied(heavenly, incorporeal, nonmaterial) |
| ephemeral(adjective, light, weak, slight, unpredictable) |
| ghostly(heavenly, indistinguishable, imperceptible, unseen, incorporeal) |
| imaginary(adjective, light, weak, slight, negative) |
| incalculable |
| incomprehensible |