| remote(adjective, strange, mysterious, indefinite) |
| secret(adjective, remote, mysterious, unseen) |
| so-and-so(adjective, strange, remote, mysterious) |
| such-and-such(adjective, strange, remote, mysterious) |
| unapprehended(adjective, strange, remote, mysterious) |
| unascertained(adjective, strange, remote, mysterious) |
| uncharted(adjective, strange, remote, mysterious) |
| undistinguished(adjective, strange, remote, indefinite) |
| unexplained(adjective, strange, remote, mysterious) |
| unexplored(adjective, strange, remote, mysterious) |
| unheard-of(adjective, strange, remote, indefinite) |
| unnoted(adjective, strange, remote, indefinite) |
| unperceived(adjective, strange, remote, mysterious) |
| unrenowned(adjective, strange, remote, mysterious) |
| unrevealed(adjective, strange, remote, mysterious) |
| untold(adjective, strange, remote, mysterious) |
| distant(adjective, strange, remote, mysterious) |
| undiscovered(adjective, remote, mysterious, indefinite) |