| spectral(adjective, heavenly, airy, shadowy, insensible) |
| phantasmal(adjective, unreal, shadowy, theoretical, ghastly) |
| ghostly(adjective, heavenly, airy, indistinct, insensible) |
| ghostlike(adjective, supernatural, shadowy, ghastly, ethereal) |
| immaterial(adjective, form, heavenly, airy, insensible) |
| spiritual(adjective, heavenly, shadowy, ghastly, spooky) |
| illusory(adjective, unreal, shadowy, theoretical, ghastly) |
| unreal(adjective, unsubstantial) |
| unsubstantial(adjective, fantastic, heavenly, unreal, theoretical) |
| chimerical(adjective, unsubstantial) |
| ethereal(adjective, supernatural, heavenly, ghostly, unsubstantial) |
| imaginary(adjective, fictitious, invented) |
| shadowy(adjective, heavenly, ghastly, spooky, ghostly) |
| spooky(adjective, supernatural, shadowy, ghastly, ethereal) |
| unearthly(adjective, heavenly, airy, shadowy, insensible) |
| airy(adjective, heavenly, incorporeal, nonmaterial) |
| dreamy(adjective, fantastic, heavenly, unreal, theoretical) |
| eerie(adjective, supernatural, shadowy, indistinct, ghastly) |
| impalpable(adjective, heavenly, unsubstantial, incorporeal, nonmaterial) |
| intangible(adjective, heavenly, unsubstantial, incorporeal, nonmaterial) |