| uncanny |
| vague(adjective, obscure, difficult, uncertain, doubtful) |
| veiled(adjective, obscure, strange, deep, mysterious) |
| weird(adjective, obscure, unusual, strange, deep) |
| baffling(adjective, obscure, difficult, solid, dark) |
| cabbalistic |
| complex |
| difficult(adjective, hard, obscure, strange, uncertain) |
| furtive(adjective, obscure, strange, secret, unknown) |
| heavy |
| hermetic(obscure, solid, complex, deep, mysterious) |
| inexplicable(adjective, obscure, solid, strange, doubtful) |
| psychic(adjective, obscure, deep, mysterious, weird) |
| remote |
| spiritual(strange, supernatural, mystical, inexplicable, unexplained) |
| unclear(adjective, obscure, difficult, uncertain, doubtful) |
| unearthly(adjective, obscure, deep, mysterious, weird) |
| unknowable(adjective, solid, strange, odd, mysterious) |
| unrevealed(adjective, obscure, deep, mysterious, unknown) |
| untold |