| buttoned up(expression, adjective, close, quiet, restrained) |
| clammed up(expression, adjective, close, quiet, restrained) |
| closed up(expression, adjective, close, quiet, restrained) |
| dummied up(expression, adjective, close, quiet, restrained) |
| hush(adjective, close, quiet, restrained, still) |
| hushed(adjective, close, quiet, restrained, still) |
| iced(adjective, close, quiet, restrained, still) |
| inconversable(adjective, close, quiet, restrained, still) |
| nonvocal(adjective, close, quiet, restrained, still) |
| not talkative(expression, adjective, close, quiet, restrained) |
| struck dumb(expression, adjective, close, quiet, restrained) |
| unspeaking(adjective, close, quiet, restrained, still) |
| wordless(adjective, close, quiet, restrained, still) |