| quiet(adjective, calm, close, simple, soft) |
| restrained(adjective, calm, close, quiet, soft) |
| subdued(adjective, calm, close, quiet, soft) |
| tasteful(adjective, calm, close, quiet, soft) |
| unobtrusive(adjective, calm, close, quiet, soft) |
| close(adjective, quiet, soft, low) |
| dumb(adjective, quiet, soft, low) |
| low(adjective, quiet, soft, gentle, restrained) |
| mute(adjective, quiet, soft, low) |
| quiescent(adjective, quiet, soft, low) |
| reserved(adjective, calm, quiet, soft, low) |
| reticent(adjective, calm, quiet, soft, reasonable) |
| secretive(adjective, quiet, soft, low) |
| silent(adjective, quiet, soft, low) |
| soft(adjective, calm, quiet, reasonable, gentle) |
| speechless(adjective, quiet, soft, low) |
| still(adjective, quiet, soft, low) |
| taciturn(adjective, quiet, soft, low) |
| bottled up(expression, adjective, calm, quiet, reasonable) |
| buttoned up(expression, adjective, quiet, soft, low) |