| quieted(verb, adjective, close, quiet, soft) |
| silent(adjective, close, quiet, soft, gentle) |
| soundless(adjective, close, quiet, soft) |
| still(adjective, close, quiet, soft, gentle) |
| buttoned up(expression, adjective, close, quiet, soft) |
| clammed up(expression, adjective, close, quiet, soft) |
| close(adjective, quiet, soft, peaceful) |
| close-mouthed(adjective, close, quiet, soft) |
| could hear a pin drop(expression, adjective, idiom, close, quiet) |
| distant(adjective, dull, weak, soft, gentle) |
| hushful(adjective, close, quiet, soft) |
| inobtrusive(adjective, quiet, soft) |
| low-pitched(adjective, dull, close, quiet, weak) |
| mum(quiet, soft, silent, voiceless) |
| not saying boo(expression, adjective, idiom, close, quiet) |
| pale(adjective, dull, weak, soft, gentle) |
| quiescent(adjective, close, quiet, soft) |
| reserved(adjective, close, quiet, soft) |
| restrained(quiet, soft, subdued, understated) |
| reticent(adjective, close, quiet, soft) |