| inhibited(quiet, soft, still, faint, unclear) |
| intense(adjective, cool, severe, keen, sharp) |
| jailed(verb, adjective, restrained, limited, restricted) |
| keen(adjective, cool, severe, sharp, intense) |
| laconic(quiet, soft, still, faint, unclear) |
| laid up(expression, adjective, restrained, limited, restricted) |
| limited(adjective, restrained, restricted, prearranged, captive) |
| mousy(quiet, soft, still, faint, unclear) |
| mum(quiet, soft, still, silent, hushed) |
| mute(quiet, soft, still, silent, hushed) |
| muted(quiet, soft, still, silent, hushed) |
| nippy(adjective, cool, severe, keen, sharp) |
| noiseless(quiet, soft, still, silent, hushed) |
| nonvocal(adjective, close, quiet, soft, restrained) |
| not talkative(expression, adjective, close, quiet, restrained) |
| numbing(adjective, cool, severe, keen, sharp) |
| open-and-shut(adjective, pretty) |
| penetrating(adjective, cool, severe, keen, sharp) |
| pent(adjective, restrained, limited, restricted, captive) |
| piercing(adjective, cool, severe, keen, sharp) |