| incognito(adjective, adverb, close, disguise, hideaway) |
| camouflaged(adjective, obscure, secret, unknown, hidden) |
| disguised(adjective, obscure, secret, unknown, hidden) |
| masked(obscure, secret, unknown, hidden, underhanded) |
| QT(secret, hidden, clandestine, underground, underhanded) |
| X(strange, new, remote, mysterious, indefinite) |
| alien(strange, new, remote, mysterious, indefinite) |
| anonymous(obscure, strange, unknown, indefinite, unidentified) |
| buried(secret, hidden, underground, underhanded, covered) |
| cloaked(secret, hidden, clandestine, underground, underhanded) |
| concealed(adjective, obscure, new, mysterious, hidden) |
| covered up(adjective, secret, hidden, covered, obscured) |
| desolate(strange, new, remote, mysterious, indefinite) |
| dissembled(secret, hidden, clandestine, underground, underhanded) |
| distant(strange, new, remote, mysterious, indefinite) |
| exotic(strange, new, remote, mysterious, indefinite) |
| far(strange, new, remote, mysterious, indefinite) |
| far-off(strange, new, remote, mysterious, indefinite) |
| faraway(strange, new, remote, mysterious, indefinite) |
| foreign(strange, new, remote, mysterious, indefinite) |