| magic(supernatural, spiritual, mystical) |
| magical(strange, supernatural, spiritual, mystical, inexplicable) |
| metaphysical(supernatural, spiritual, mystical) |
| muddy(obscure, uncertain, vague, unclear, indefinite) |
| mysterial(supernatural, spiritual, mystical) |
| mystical(hard, obscure, delicate, strange, complex) |
| mystifying(hard, delicate, strange, complex, tricky) |
| necromantic(strange, supernatural, spiritual, mystical, inexplicable) |
| nonrational(supernatural, spiritual, mystical) |
| numinous(supernatural, spiritual, mystical) |
| occult(obscure, strange, supernatural, unknown, spiritual) |
| opaque(obscure, uncertain, vague, unclear, indefinite) |
| out-of-the-way(obscure, deep, unknown, clandestine, underground) |
| paradoxical(hard, difficult, delicate, complex, tricky) |
| paranormal(supernatural, spiritual, mystical) |
| preternatural(supernatural, spiritual, mystical) |
| problematical(adjective, hard, obscure, delicate, complex) |
| profound(hard, delicate, complex, tricky, complicated) |
| quandary |
| questionable(uncertain, vague, unclear) |