| X(adjective, strange, new, remote, mysterious) |
| able |
| abnormal(adjective, obscure, dark, superior, mysterious) |
| abstruse(adjective, obscure, dark, deep, mysterious) |
| celestial(adjective, obscure, dark, superior, mysterious) |
| clammed up(expression, unknowing, hermetical, unbriefed) |
| cloak-and-dagger(obscure, unknown, clandestine, underground, undisclosed) |
| cloak and dagger(expression, idiom, obscure, unknown) |
| cloistered(isolated, reclusive, uncompanionable) |
| closed |
| confidential(adjective, clandestine, underground, undisclosed, sealed) |
| deep(adjective, obscure, mysterious, unknown, weird) |
| difficult to catch(expression, adjective, idiom, demoniac, unspecific) |
| distant(adjective, strange, new, remote, mysterious) |
| eclipsed(adjective, obscure, dark, unknown, hidden) |
| eerie(adjective, obscure, deep, mysterious, weird) |
| enigmatic |
| exotic(adjective, strange, new, remote, mysterious) |
| extrasensory(adjective, obscure, dark, superior, supernatural) |
| fabulous(adjective, obscure, dark, superior, mysterious) |