| new(strange, indefinite, unidentified) |
| pseudonymous(adjective, named) |
| remote(strange, indefinite, unidentified) |
| secret(adjective, strange, unknown, indefinite, undisclosed) |
| so-and-so(strange, indefinite, unidentified) |
| such-and-such(strange, indefinite, unidentified) |
| unapprehended(strange, indefinite, unidentified) |
| unascertained(strange, indefinite, unidentified) |
| uncelebrated(strange, unknown, indefinite, unidentified, anonymous) |
| uncharted(adjective, strange, unknown, indefinite, unidentified) |
| undetermined(adjective, strange, indefinite, unidentified) |
| undisclosed |
| undiscovered(strange, indefinite, unidentified) |
| undubbed(adjective, named) |
| unexplained(strange, indefinite, unidentified) |
| unexplored(strange, indefinite, unidentified) |
| unmarked(adjective, named) |
| unnoted(strange, unknown, indefinite, unidentified, anonymous) |
| unperceived(strange, indefinite, unidentified) |
| unrenowned(strange, indefinite, unidentified) |