| intangible(adjective, feature, state, sense, concept) |
| abstract(adjective, feature, state, sense, concept) |
| ethereal(adjective, feature, state, sense) |
| impalpable(adjective, feature, state, sense) |
| imperceptible(adjective, feature, state, sense, concept) |
| nonmaterial(adjective, feature, state, sense) |
| unreal(adjective, feature, state, sense, concept) |
| virtual(adjective, feature, state, sense) |
| bodiless(adjective, feature, state, sense) |
| conceptual(adjective, concept, characteristic, abstractness) |
| cyber(adjective, feature, state, sense) |
| formless(adjective, feature, state, sense) |
| immaterial(adjective, feature, state, sense) |
| incorporeal(adjective, feature, state, sense) |
| insensible(adjective, feature, state, sense) |
| insubstantial(adjective, feature, state, sense) |
| make-believe(adjective, feature, state, sense) |
| non-material(adjective, feature, state, sense) |
| nonphysical(adjective, feature, state, sense) |
| spiritual(adjective, feature, state, sense) |