| reticent(adjective, close, quiet, soft) |
| reserved(adjective, close, quiet, cool, soft) |
| taciturn(noun, adjective, close, quiet, soft) |
| silent(adjective, close, quiet, soft) |
| close(adjective, quiet, soft, restraint) |
| close-mouthed(adjective, close, quiet, soft) |
| secretive(adjective, close, quiet, cool, soft) |
| tight-lipped(adjective, close, quiet, soft) |
| quiet(adjective, close, soft, restrained) |
| mum(adjective, close, quiet, soft) |
| mute(adjective, close, quiet, soft) |
| closemouthed(adjective, close, quiet, soft) |
| dumb(adjective, close, quiet, soft) |
| buttoned up(verb, expression, adjective, phrasal verb, close) |
| discreet(adjective, quiet, soft, restrained) |
| not talkative(expression, adjective, person, quiet) |
| speechless(adjective, close, quiet, soft) |
| restrained(adjective, close, quiet, soft) |
| clammed up(expression, adjective, close, quiet, soft) |
| wordless(quiet, soft, still, silent) |