| bashful(adjective, characteristic, quality, doubt, uncertainty) |
| depressed(adjective, characteristic, quality, doubt, uncertainty) |
| fearful(adjective, characteristic, quality, doubt, uncertainty) |
| hesitant(adjective, characteristic, quality, doubt, uncertainty) |
| indecisive(adjective, characteristic, quality, doubt, uncertainty) |
| indefinite(adjective, characteristic, quality, doubt, uncertainty) |
| jittery(adjective, characteristic, quality, doubt, uncertainty) |
| meek(adjective, characteristic, quality, doubt, uncertainty) |
| modest(adjective, characteristic, quality, doubt, uncertainty) |
| mousey(adjective, characteristic, quality, doubt, uncertainty) |
| overmodest(adjective, characteristic, quality, doubt, uncertainty) |
| reserved(adjective, characteristic, quality, doubt, uncertainty) |
| self-critical(adjective, characteristic, quality, doubt, uncertainty) |
| self-distrustful(adjective, characteristic, quality, doubt, uncertainty) |
| self-doubting(adjective, characteristic, quality, doubt, uncertainty) |
| self-reproachful(adjective, characteristic, quality, doubt, uncertainty) |
| self-reproving(adjective, characteristic, quality, doubt, uncertainty) |
| tentative(adjective, characteristic, quality, doubt, uncertainty) |
| unassertive(adjective, characteristic, quality, doubt, uncertainty) |
| unconvinced(adjective, characteristic, quality, doubt, uncertainty) |