| dumb(adjective, calm, quiet, humble, speak) |
| silent(adjective, calm, quiet, humble, dumb) |
| mute(adjective, quiet, awkward, reticent, speak) |
| taciturn(adjective, calm, quiet, humble, silent) |
| speechless(adjective, calm, quiet, humble, silent) |
| inarticulate(adjective, calm, quiet, humble, silent) |
| dumbfounded(adjective, awkward, silent, dazed, dumb) |
| wordless(adjective, calm, quiet, humble, silent) |
| incoherent(adjective, quiet, still, confused, rambling) |
| mum(adjective, quiet, awkward, reticent, silent) |
| voiceless(adjective, quiet, awkward, shy, silent) |
| reticent(adjective, quiet, still, silent, hushed) |
| aphasic(silent, voiceless) |
| aphonic(silent, dazed, dumb, amazed, astonished) |
| close-mouthed(quiet, silent, dazed, dumb, astonished) |
| tight-lipped(adjective, quiet, shy, reticent, silent) |
| unrequited(adjective, calm, quiet, humble, silent) |
| close(still, hushed, soundless) |
| dumbstruck(adjective, awkward, silent, dazed, dumb) |
| meek(adjective, calm, quiet, humble, silent) |