| elemental(adjective, intimate, secret, private, penetrating) |
| essential(adjective, intimate, secret, private, personal) |
| faithful(adjective, close, correct, solid, exact) |
| finicky(adjective, full, careful, critical, thorough) |
| firsthand(adjective, intimate, secret, private, penetrating) |
| guarded(adjective, intimate, secret, private, penetrating) |
| gut(adjective, intimate, secret, private, personal) |
| immediate(adjective, intimate, secret, private, penetrating) |
| inborn(adjective, intimate, secret, private, penetrating) |
| inbred(adjective, intimate, secret, private, penetrating) |
| individual(adjective, complete, exact, certain, full) |
| indwelling(adjective, intimate, secret, private, penetrating) |
| ingrained(adjective, complete, full, intimate, secret) |
| inherent(adjective, intimate, secret, private, personal) |
| inmost(adjective, intimate, secret, private, penetrating) |
| innate(adjective, intimate, secret, private, personal) |
| innermost(adjective, intimate, secret, private, personal) |
| interior(adjective, intimate, secret, private, personal) |
| internal(adjective, intimate, secret, private, personal) |
| intrinsic(adjective, exact, certain, precise, intimate) |