| incognito(adjective, strange, unknown, undisclosed) |
| alien(adjective, strange, remote, mysterious) |
| concealed(adjective, strange, remote, mysterious) |
| desolate(adjective, strange, remote, mysterious) |
| distant(adjective, strange, remote, mysterious) |
| exotic(adjective, strange, remote, mysterious) |
| far(adjective, strange, remote, mysterious) |
| far-off(adjective, strange, remote, mysterious) |
| faraway(adjective, strange, remote, mysterious) |
| foreign(adjective, strange, remote, mysterious) |
| hidden(adjective, strange, remote, mysterious) |
| incog(adjective, strange, remote, mysterious) |
| little known(expression, adjective, strange, remote) |
| mysterious(adjective, strange, remote, indefinite) |
| remote(adjective, strange, mysterious, indefinite) |
| so-and-so(adjective, strange, remote, mysterious) |
| strange(adjective, remote, mysterious, indefinite) |
| such-and-such(adjective, strange, remote, mysterious) |
| unapprehended(adjective, strange, remote, mysterious) |
| unascertained(adjective, strange, remote, mysterious) |