| guarded(adjective, subdued, intimate, secret, private) |
| gut(adjective, intimate, secret, private, penetrating) |
| immediate(adjective, intimate, secret, private, penetrating) |
| in-depth(adjective, intimate, secret, private, penetrating) |
| inborn(adjective, intimate, secret, private, penetrating) |
| inbred(adjective, intimate, secret, private, penetrating) |
| indwelling(adjective, intimate, secret, private, penetrating) |
| ingrained(adjective, intimate, secret, private, penetrating) |
| inherent(adjective, intimate, secret, private, penetrating) |
| inmost(adjective, intimate, secret, private, penetrating) |
| innate(adjective, intimate, secret, private, penetrating) |
| innermost(adjective, intimate, secret, private, penetrating) |
| insecure(adjective, informal, uncertain, nervous, worried) |
| interior(adjective, intimate, secret, private, penetrating) |
| internal(adjective, intimate, secret, private, penetrating) |
| intrinsic(adjective, intimate, secret, private, penetrating) |
| irritable(adjective, weak, difficult, delicate, cross) |
| neurotic(adjective, upset, weak, anxious, crazy) |
| penetrating(adjective, intimate, secret, private, detailed) |
| privy(adjective, intimate, secret, private, penetrating) |