| inconversable(adjective, close, quiet, soft, restrained) |
| indistinct(quiet, soft, still, silent, hushed) |
| inhibited(quiet, soft, still, silent, hushed) |
| laconic(quiet, soft, still, silent, hushed) |
| low(quiet, soft, silent) |
| mousy(quiet, soft, still, silent, hushed) |
| mute(quiet, soft, low, still, silent) |
| muted(quiet, soft, low, still, shy) |
| noiseless(quiet, soft, low, still, silent) |
| not forthcoming(expression, quiet, shy, silent, tight-lipped) |
| not talkative(expression, adjective, close, quiet, soft) |
| quiet(soft, low, still, shy, silent) |
| quiet speechless(expression, still, hushed, soundless) |
| reserved(quiet, still, shy, silent, hushed) |
| secretive(quiet, shy, silent, tight-lipped) |
| silentious(adjective, close, quiet, restrained, still) |
| soundless(quiet, soft, low, still, shy) |
| still(quiet, soft, low, silent, hushed) |
| struck dumb(expression, adjective, close, quiet, restrained) |
| taciturn(quiet, still, silent, hushed, soundless) |