| not talkative(expression, adjective, quiet, soft) |
| out of earshot(expression, adjective, idiom, quiet, weak) |
| pale(adjective, dull, weak, soft, gentle) |
| quieted(adjective, close, quiet, soft) |
| reserved(adjective, close, quiet, soft) |
| reticent(adjective, close, quiet, soft) |
| secretive(adjective, close, quiet, soft) |
| speechless(adjective, close, quiet, soft, obscure) |
| stilled(adjective, close, quiet, soft) |
| subdued(adjective, quiet, weak, soft) |
| taciturn(adjective, close, quiet, soft) |
| tight-lipped(adjective, close, quiet, soft) |
| uncommunicative(adjective, close, quiet, soft) |
| unexpressed(adjective, close, quiet, soft) |
| unspeaking(adjective, close, quiet, soft) |
| whispered(adjective, dull, weak, soft, gentle) |
| discreet(adjective, soft, silent, hidden) |
| tasteful(quiet, soft) |
| unaccented(adjective, dull, soft, dim) |
| unobtrusive(adjective, close, quiet, soft) |