| hushed(adjective, close, quiet, soft) |
| hushful(adjective, close, quiet, soft) |
| low-pitched(adjective, close, quiet, soft) |
| muffled(adjective, close, quiet, soft, obscure) |
| muted(adjective, close, quiet, soft) |
| quiescent(adjective, close, quiet, soft) |
| quieted(adjective, close, quiet, soft) |
| restrained(quiet, soft) |
| secretive(adjective, close, quiet, soft) |
| soft(adjective, close, quiet, peaceful) |
| stilled(adjective, close, quiet, soft) |
| subdued(adjective, quiet, soft) |
| tasteful(quiet, soft) |
| unexpressed(adjective, close, quiet, soft) |
| unspeaking(adjective, close, quiet, soft) |
| unuttered(adjective, close, quiet, soft, obscure) |
| whist(adjective, close, quiet, soft) |
| discreet(adjective, soft, silent, noiseless) |
| unobtrusive(adjective, close, quiet, soft) |