| central(adjective, individual, private, mental, inner) |
| closed |
| closet(adjective, close, quiet, intimate, private) |
| clouded(adjective, unknown, hidden, underground, concealed) |
| concealment |
| conspiratorial(adjective, hidden, clandestine, underground, undisclosed) |
| distant(adjective, strange, new, remote, mysterious) |
| elemental(adjective, intimate, private, penetrating, personal) |
| experienced(adjective, intimate, private, penetrating, personal) |
| firsthand(adjective, intimate, private, penetrating, personal) |
| in-depth(adjective, intimate, private, penetrating, personal) |
| inborn(adjective, intimate, private, penetrating, personal) |
| inbred(adjective, intimate, private, penetrating, personal) |
| incognito(adjective, unknown, hidden, clandestine, undisclosed) |
| intuitive(adjective, private, mental, inner) |
| isolated(adjective, quiet, obscure, mild, shy) |
| latent(adjective, hidden, dormant) |
| mystery story(noun, expression, idiom, mystery) |
| nameless(adjective, strange, new, remote, mysterious) |
| obscurity(noun, vagueness, ambiguity, secrecy, anonymity) |