| unknown(adjective, person, knowledge, obscure, strange) |
| uncelebrated(adjective, person, obscure, strange, new) |
| anonymous(adjective, knowledge, strange, choice, unknown) |
| unnamed(adjective, knowledge, strange, unknown, indefinite) |
| obscure(adjective, knowledge, strange, unknown, unfamiliar) |
| strange(adjective, person, new, remote, mysterious) |
| unidentified(adjective, new, remote, mysterious, secret) |
| indescribable(adjective, awful, foul, disgusting, silent) |
| unfamed(adjective, person, unknown, unpopularity, anonymous) |
| unsung(adjective, obscure, strange, unknown, unfamiliar) |
| undistinguished(adjective, dull, obscure, strange, unknown) |
| unheard-of(adjective, knowledge, obscure, strange, unknown) |
| unheard(person, unpopularity, casuality) |
| incognito(adjective, adverb, strange, unknown, indefinite) |
| innominate(adjective, unknown, undisclosed, anonymous, misnomer) |
| inconspicuous(adjective, obscure, unknown, anonymous) |
| ineffable |
| inexpressible(adjective, awful, foul, disgusting, silent) |
| unfamiliar(adjective, obscure, strange, new, remote) |
| unspeakable(adjective, bad) |