| secret(adjective, adverb, close, quiet, show) |
| private(adjective, adverb, close, quiet, show) |
| intimate(adjective, close, friendly, warm, attitude) |
| privy(adjective, separate, intimate, secret, private) |
| classified(adjective, close, show, intimate, secret) |
| personal(adjective, close, quiet, separate, easy) |
| hush-hush(adjective, show, separate, informal, intimate) |
| close(adjective, quiet, easy, friendly, warm) |
| clandestine(adjective, special, intimate, secret, hidden) |
| familiar(adjective, close, easy, friendly, warm) |
| covert(adjective, close, quiet, separate, secret) |
| esoteric(adjective, secret, private, clandestine, underground) |
| inside(adjective, show, intimate, secret, private) |
| off the record(expression, adjective, idiom, adverb, intimate) |
| trustworthy(adjective, sound, trusted) |
| undercover(adjective, secret, hidden, spy, clandestine) |
| privileged(adjective, show, secret, private, classified) |
| special(adjective, intimate, private, penetrating, detailed) |
| arcane(adjective, intimate, secret, private, restricted) |
| bosom(adjective, close, warm, near, devoted) |