| incognito(strange, new, remote, unknown, indefinite) |
| mysterious(strange, indefinite, unidentified) |
| new(adjective, strange, remote, indefinite, unidentified) |
| no credit to(expression, idiom) |
| orphic(isolated, reclusive, uncompanionable) |
| remote(strange, new, indefinite, unidentified) |
| retired(isolated, reclusive, uncompanionable) |
| secluded(isolated, reclusive, uncompanionable) |
| secret(strange, indefinite, unidentified) |
| seldom seen(expression, isolated, reclusive, uncompanionable) |
| sequestered(isolated, reclusive, uncompanionable) |
| shelved |
| shunted |
| so-and-so(strange, new, remote, indefinite, unidentified) |
| solitary(isolated, reclusive, uncompanionable) |
| strange(new, remote, indefinite, unidentified) |
| such-and-such(strange, new, remote, indefinite, unidentified) |
| unapprehended(strange, new, remote, indefinite, unidentified) |
| unascertained(strange, new, remote, indefinite, unidentified) |
| unattended to(verb, expression, phrasal verb, neglect) |