| bashful(quiet, soft, still, silent, hushed) |
| buttoned up(expression, adjective, close, quiet, soft) |
| checked(quiet, soft, still, faint, unclear) |
| clammed up(expression, adjective, close, quiet, soft) |
| close(quiet, soft, still, silent, hushed) |
| closed up(expression, adjective, close, quiet, soft) |
| closemouthed(quiet, soft, still, silent, hushed) |
| costive |
| curbed(quiet, soft, still, faint, unclear) |
| cynical |
| dissocial |
| dumb(quiet, soft, still, silent, hushed) |
| dummied up(expression, adjective, close, quiet, soft) |
| faint(quiet, soft, still, unclear, silent) |
| hush(adjective, close, quiet, soft, restrained) |
| hushed(adjective, close, quiet, soft, restrained) |
| iced(adjective, close, quiet, soft, restrained) |
| inarticulate(quiet, soft, still, faint, unclear) |
| incoherent(quiet, soft, still, faint, unclear) |
| indistinct(quiet, soft, still, faint, unclear) |