| humble(adjective, proper, polite, timid) |
| self-effacing(adjective, proper, polite, humble) |
| sheepish(adjective, timid, unwilling, introverted) |
| timid(adjective, unwilling, introverted) |
| shamefaced(adjective, timid, unwilling, introverted) |
| abashed(adjective, timid, unwilling, introverted) |
| demure(adjective, timid, unwilling, introverted) |
| diffident(adjective, timid, unwilling, introverted) |
| modest(adjective, timid, unwilling, introverted) |
| backward(adjective, timid, unwilling, introverted) |
| introvert(adjective, conduct, manner, behaviour) |
| loner(noun, adjective, timid, unwilling) |
| retiring(adjective, timid, unwilling, introverted) |
| apprehensive(adjective, timid, unwilling, introverted) |
| averse(adjective, timid, unwilling, introverted) |
| bashful(adjective, timid, unwilling, introverted) |
| cautious(adjective, timid, unwilling, introverted) |
| chary(adjective, timid, unwilling, introverted) |
| circumspect(adjective, timid, unwilling, introverted) |
| conscious(adjective, timid, unwilling, introverted) |