| checked(quiet, soft, still, silent, hushed) |
| clammed up(expression, adjective, close, quiet, smooth) |
| close(adjective, quiet, soft, low, restrained) |
| close-mouthed(adjective, close, quiet, smooth, soft) |
| closed(adjective, calm, quiet, smooth, tranquil) |
| closed up(expression, quiet, soft, still, silent) |
| closemouthed(quiet, soft, low, still, silent) |
| could hear a pin drop(expression, adjective, idiom, close, quiet) |
| curbed(quiet, soft, still, silent, hushed) |
| deathlike(adjective, calm, quiet, smooth, tranquil) |
| deathly(adjective, calm, quiet, smooth, tranquil) |
| deathly quiet(expression, adjective, calm, quiet, smooth) |
| deathly still(expression, adjective, calm, quiet, smooth) |
| dummied up(expression, quiet, soft, still, silent) |
| echoless |
| faint(adjective, close, quiet, soft, gentle) |
| fixed(adjective, calm, quiet, smooth, tranquil) |
| furtive |
| gent |
| halcyon(adjective, calm, quiet, smooth, tranquil) |