| bodiless(adjective, abstract, heavenly, theoretical, immaterial) |
| evanescent(adjective, indefinite, littleness, obscured) |
| evasive(adjective, vague, deceitful, unknown, tricky) |
| unobservable(adjective, knowledge, indefinite, imperceptible, obscured) |
| vaporous(adjective, insensible, imperceptible, inconspicuous, ethereal) |
| dim(adjective, indefinite, hazy, insubstantial, indistinct) |
| indeterminate(adjective, vague, unknown, general, ambiguous) |
| indiscernible(adjective, knowledge) |
| obscure(adjective, vague, unknown, general, subtle) |
| slender(adjective, light, weak, slight, indefinite) |
| slight(adjective, light, weak, fine, thin) |
| supernatural(adjective, abstract, heavenly, theoretical, imperceptible) |
| tenuous(adjective, light, weak, slight, fine) |
| unearthly(adjective, abstract, heavenly, theoretical, immaterial) |
| unworldly(adjective, heavenly, immaterial, ghostly, incorporeal) |
| aerial(adjective, light, weak, slight, false) |
| chimerical(adjective, light, weak, slight, excellent) |
| conceptual(adjective, immaterial) |
| disembodied(adjective, heavenly, spiritual, religious, sacred) |
| dreamy(adjective, gentle, marvelous, vague, heavenly) |