| taciturn(adjective, close, quiet, soft, low) |
| reticent(adjective, close, quiet, soft, low) |
| silent(adjective, close, quiet, smooth, soft) |
| reserved(adjective, close, quiet, soft, gentle) |
| uncommunicative(adjective, close, quiet, soft, low) |
| secretive(adjective, close, quiet, soft, low) |
| tight-lipped(adjective, close, quiet, soft, low) |
| quiet(adjective, close, soft, gentle, low) |
| incommunicative(adjective, quiet, restraint, taciturn, sounds) |
| close(adjective, quiet, soft, low, restraint) |
| incommunicable(adjective, close, quiet, cold, restraint) |
| mum(adjective, quiet, restrained, aloof, reserved) |
| uncommunicable(adjective, quiet, restraint, taciturn, sounds) |
| guarded(adjective, reserved, mysterious, private, reticent) |
| mute(adjective, close, quiet, soft, low) |
| tightlipped(adjective, quiet, restraint, taciturn, sounds) |
| unforthcoming(adjective, quiet, restrained, aloof, reticent) |
| aloof(adjective, quiet, gentle, reserved, reticent) |
| clammed up(expression, adjective, close, quiet, smooth) |
| detached(adjective, aloof, reticent, standoffish) |