| incoherent(still, faint, unclear, hushed, soundless) |
| inconversable(adjective, close, quiet, restrained, still) |
| indistinct(still, faint, unclear, hushed, soundless) |
| infatuated with |
| inhibited(still, faint, unclear, hushed, soundless) |
| laconic(still, faint, unclear, hushed, soundless) |
| mousy(still, faint, unclear, hushed, soundless) |
| mum(still, hushed, soundless) |
| mute(adjective, still, hushed, soundless) |
| muted(still, hushed, soundless) |
| noiseless(still, hushed, soundless) |
| nonplussed |
| nonvocal(adjective, close, quiet, restrained, still) |
| not talkative(expression, adjective, close, quiet, restrained) |
| overawe(verb, excite, confuse, blinded, bulwarked) |
| paralysed |
| quiet speechless(expression, still, faint, unclear, hushed) |
| reserved(still, hushed, soundless) |
| restrained(still, hushed, soundless) |
| reticent(still, hushed, soundless) |