| experienced(adjective, intimate, secret, private, penetrating) |
| firsthand(adjective, intimate, secret, private, penetrating) |
| frigid |
| 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) |
| interior(adjective, intimate, secret, private, penetrating) |
| internal(adjective, intimate, secret, private, penetrating) |
| intrinsic(adjective, intimate, secret, private, penetrating) |
| leery(adjective, restrained, careful, thoughtful, cautious) |
| on the lookout(expression, adjective, idiom, adverb, keen) |
| penetrating(adjective, intimate, secret, private, detailed) |
| policed(verb, defended) |