| unknown(adjective, obscure, strange, mysterious, indefinite) |
| unidentified(adjective, strange, new, remote, mysterious) |
| unacknowledged(adjective, difficult, trying, unrewarding) |
| anonymous(adjective, obscure, strange, unknown, indefinite) |
| unrecognised |
| unsung(adjective, strange, new, remote, indefinite) |
| incognito(adjective, strange, new, remote, disguise) |
| nameless(adjective, strange, new, remote, mysterious) |
| unfamiliar(adjective, strange, new, remote, mysterious) |
| unnoticed(adjective, ignored) |
| disregarded(adjective, unseen, ignored, undiscovered, overlooked) |
| forgotten(adjective, unacknowledged) |
| ignored(adjective, unseen, undiscovered, overlooked, unobserved) |
| neglected(adjective, unseen, ignored, undiscovered, overlooked) |
| obscure(adjective, strange, unknown, indefinite, unidentified) |
| strange(adjective, new, remote, mysterious, indefinite) |
| uncelebrated(adjective, strange, new, remote, mysterious) |
| unnamed(adjective, strange, secret, indefinite, unidentified) |
| X(adjective, strange, new, remote, mysterious) |
| alien(adjective, strange, new, remote, mysterious) |