| recondite(adjective, abstract, theoretical, abstruse, philosophical) |
| secret(adjective, obscure, dark, superior, mysterious) |
| spectral(adjective, obscure, dark, superior, supernatural) |
| spiritual(adjective, abstract, theoretical, abstruse, philosophical) |
| strange(adjective, extraordinary, marvelous, amazing, astonishing) |
| superordinary(adjective, obscure, dark, superior, supernatural) |
| superphysical(adjective, obscure, dark, superior, supernatural) |
| supersensible(adjective, obscure, dark, superior, supernatural) |
| suprahuman(adjective, abstract, theoretical, abstruse, philosophical) |
| supramundane(adjective, abstract, theoretical, abstruse, philosophical) |
| surprisingly wonderful |
| theoretical(adjective, abstract, abstruse, philosophical) |
| transcendental(adjective, obscure, dark, abstract, heavenly) |
| unaccountable(adjective, extraordinary, superior, strange, marvelous) |
| uncanny(adjective, obscure, dark, superior, mysterious) |
| uncomprehensible(adjective, obscure, dark, superior, mysterious) |
| unfathomable(adjective, obscure, dark, superior, mysterious) |
| unfleshly(adjective, abstract, theoretical, abstruse, philosophical) |
| unintelligible(adjective, obscure, dark, superior, mysterious) |
| universal(adjective, abstract, theoretical, abstruse, philosophical) |