| lost for words(adjective, calm, quiet, humble, silent) |
| meekest(adjective, calm, quiet, humble, silent) |
| mousy(quiet, still, hushed, soundless, speechless) |
| muffled(verb, adjective, confused, silent, rambling) |
| muted(quiet, still, shy, reticent, silent) |
| noiseless(still, hushed, soundless) |
| nonvocal(quiet, still, shy, silent, hushed) |
| not forthcoming(expression, quiet, shy, silent, tight-lipped) |
| not talkative(expression, quiet, still, shy, reticent) |
| quiet speechless(expression, still, hushed, soundless) |
| secretive(quiet, shy, reticent, silent, uncommunicative) |
| short |
| silentious(still, hushed, soundless) |
| snug |
| soundless(quiet, still, shy, silent, hushed) |
| sparing of words(expression, idiom) |
| stammering(adjective, awkward, confused, silent, rambling) |
| still(quiet, silent, hushed, soundless, tight-lipped) |
| stricken dumb |
| terse |