| timid(adjective, quiet, cool, cold, modest) |
| unassertive(adjective, quiet, restrained, modest, nervous) |
| unbending(adjective, cool, cold, sensitive, shy) |
| uncongenial(adjective, cool, cold, sensitive, shy) |
| unforthcoming(adjective, cool, cold, sensitive, shy) |
| unneighborly(adjective, cool, cold, sensitive, shy) |
| unsocial(adjective, cool, cold, modest, nervous) |
| withdrawn(cool, cold, shy, unfriendly, reserved) |
| afraid(adjective, modest, humble, hesitant, suspicious) |
| aloof(shy, unfriendly, antisocial) |
| antisocial(shy, unfriendly) |
| apprehensive(adjective, modest, nervous, humble, hesitant) |
| averse(adjective, modest, humble, hesitant, suspicious) |
| cautious(adjective, modest, humble, hesitant, suspicious) |
| chary(adjective, modest, humble, hesitant, suspicious) |
| circumspect(adjective, modest, humble, hesitant, suspicious) |
| cold(shy, unfriendly, reserved, antisocial) |
| conscious(adjective, modest, nervous, humble, hesitant) |
| cool(sensitive, shy, unfriendly, reserved, antisocial) |
| diffident |