| timid(adjective, unfriendly, reticent, unassuming) |
| secretive(adjective, quiet, unfriendly, reserved) |
| silent(adjective, upset, quiet, restrained, still) |
| unforthcoming(adjective, person, quiet, cold, restrained) |
| bashful(adjective, quiet, still, reticent) |
| introverted(adjective, quiet, restrained, thoughtful) |
| nongregarious(adjective, quiet, restrained, humble) |
| not talkative(expression, adjective, person, quiet, avoid) |
| laid-back(adjective, informal, unfriendly, antisocial) |
| brooding(adjective, unfriendly, antisocial) |
| disagreeable(adjective, nasty, cold, unfriendly) |
| inaccessible(adjective, unfriendly, distant, antisocial) |
| secluded(adjective, close, quiet, indifferent) |
| sensitive(adjective, unfriendly, antisocial) |
| timorous(adjective, quiet, restrained, humble) |
| unbending(adjective, unfriendly, antisocial) |
| undemonstrative(adjective, quiet, cool, indifferent, restrained) |
| unneighborly(adjective, nasty, rude, cold, coarse) |
| buttoned up(expression, quiet, still, reserved) |
| clammed up(expression, quiet, still, reserved) |