| mute(adjective, close, quiet, soft, low) |
| silent(adjective, close, quiet, soft, low) |
| buttoned up(expression, adjective, close, quiet, soft) |
| clammed up(expression, adjective, close, quiet, soft) |
| quiet(adjective, close, soft, low, restrained) |
| reticent(adjective, close, quiet, soft, low) |
| address |
| bashful(adjective, quiet, restrained, still, shy) |
| checked(adjective, still, faint, unclear, hushed) |
| close(adjective, quiet, soft, low, restrained) |
| close-mouthed(adjective, close, quiet, soft, low) |
| closed up(expression, adjective, close, quiet, restrained) |
| closemouthed(adjective, quiet, still, shy, silent) |
| could hear a pin drop(expression, adjective, idiom, close, quiet) |
| curbed(adjective, still, faint, unclear, hushed) |
| dumb(adjective, close, quiet, soft, low) |
| dummied up(expression, adjective, close, quiet, restrained) |
| faint(adjective, still, unclear, hushed, soundless) |
| hush(adjective, close, quiet, restrained, still) |
| hushed(adjective, close, quiet, soft, low) |