| exotic(strange, new, remote, mysterious, indefinite) |
| far(strange, new, remote, mysterious, indefinite) |
| far-off(strange, new, remote, mysterious, indefinite) |
| faraway(strange, new, remote, mysterious, indefinite) |
| foreign(strange, new, remote, mysterious, indefinite) |
| hidden(strange, new, remote, mysterious, indefinite) |
| incalculable |
| incog(strange, new, remote, mysterious, indefinite) |
| incognito(strange, new, remote, indefinite, unidentified) |
| little known(expression, strange, new, remote, mysterious) |
| nameless(strange, new, remote, mysterious, indefinite) |
| new(strange, remote, mysterious, indefinite, unidentified) |
| obscure(strange, indefinite, unidentified) |
| puzzling |
| remote(strange, new, mysterious, indefinite, unidentified) |
| sealed |
| secret(strange, new, remote, mysterious, indefinite) |
| so-and-so(strange, new, remote, mysterious, indefinite) |
| such-and-such(strange, new, remote, mysterious, indefinite) |
| unascertained(strange, new, remote, mysterious, indefinite) |