| uncharted(adjective, strange, new, remote, mysterious) |
| undiscovered(adjective, strange, new, remote, mysterious) |
| unknown(noun, adjective, obscure, experience, new) |
| strange(adjective, experience, new, remote, different) |
| unfamiliar(adjective, experience, strange, new, remote) |
| mysterious(adjective, strange, new, remote, unknown) |
| uninvestigated(adjective, new, unknown, ignorance, untried) |
| unexamined |
| unexplained(adjective, strange, new, remote, mysterious) |
| unidentified(adjective, strange, new, remote, mysterious) |
| foreign(adjective, experience, strange, new, remote) |
| unascertained(adjective, strange, new, remote, mysterious) |
| unstudied(adjective, neglect) |
| untracked(adjective, latency implication) |
| obscure(adjective, strange, new, unknown, indefinite) |
| unapprehended(adjective, strange, new, remote, mysterious) |
| unplumbed(adjective, explored) |
| unrevealed(strange, new, remote, mysterious, indefinite) |
| unsifted |
| untraced(adjective, latency implication) |