| hushed(adjective, close, quiet, soft, low) |
| inaccessible(adjective, cool, cold, sensitive, humble) |
| inhospitable(adjective, cool, cold, sensitive) |
| introverted(cool, cold, unfriendly, reserved) |
| muted(adjective, close, quiet, soft, low) |
| nongregarious(adjective, cool, cold, sensitive) |
| nonvocal(quiet, silent, tight-lipped) |
| not forthcoming(expression, quiet, silent, tight-lipped) |
| recessive(adjective, cool, cold, sensitive) |
| reclusive(adjective, close, quiet, cool, gentle) |
| soundless(adjective, close, quiet, soft, low) |
| speechless(adjective, close, quiet, soft, low) |
| standoffish(quiet, cool, gentle, cold) |
| still(adjective, close, quiet, soft, low) |
| stuck-up(adjective, cool, cold, sensitive) |
| timid(adjective, cool, cold, sensitive) |
| tongue-tied(quiet, reticent, silent, uncommunicative) |
| unapproachable(quiet, cool, gentle, cold) |
| unbending(adjective, cool, cold, sensitive) |
| uncongenial(adjective, cool, cold, sensitive) |