| profound(adjective, obscure, intimate, secret, private) |
| confidential(adjective, intimate, private, personal) |
| deep-rooted |
| detailed(adjective, intimate, secret, private, penetrating) |
| elemental(adjective, essential, basic, intimate, fundamental) |
| exhaustive(adjective, intimate, secret, private, penetrating) |
| experienced(adjective, intimate, secret, private, penetrating) |
| firsthand(adjective, intimate, secret, private, penetrating) |
| guarded(adjective, intimate, secret, private, penetrating) |
| immediate(adjective, intimate, secret, private, penetrating) |
| in-depth(adjective, intimate, secret, private, penetrating) |
| inborn(adjective, essential, basic, intimate, fundamental) |
| inbred(adjective, essential, basic, intimate, fundamental) |
| indwelling(adjective, essential, basic, intimate, fundamental) |
| penetrating(adjective, intimate, secret, private, detailed) |
| special(adjective, intimate, secret, private, penetrating) |
| thorough(adjective, intimate, secret, private, penetrating) |
| trusted(adjective, intimate, secret, private, penetrating) |
| uptight(adjective, intimate, secret, private, penetrating) |
| viscerous(adjective, intimate, secret, private, penetrating) |