| vacillatory(adjective, uncertain, doubtful, decide) |
| fainthearted(nervous, feeble, fearful, ambivalent) |
| yellow(adjective, weak, soft, nervous) |
| cowardly(adjective, weak, soft, gentle, uncertain) |
| doubting(adjective, weak, uncertain, doubtful) |
| fearful(adjective, weak, soft, pathetic) |
| shrinking(adjective, nervous, fearful) |
| timorous(adjective, gentle, uncertain, modest, nervous) |
| faint-hearted(adjective, weak, soft, uncertain, nervous) |
| pusillanimous(weak, nervous, feeble, fearful) |
| retiring(nervous, fearful) |
| skeptical(adjective, uncertain, nervous, doubtful) |
| unassertive(nervous, feeble, fearful, ambivalent) |
| unwilling(adjective, uncertain, doubtful, hesitant) |
| afraid(adjective, uncertain, nervous, doubtful) |
| dawdling(adjective, uncertain, doubtful, hesitant) |
| delaying(adjective, uncertain, doubtful, hesitant) |
| diffident(uncertain, nervous, doubtful, hesitant) |
| frightened(adjective, weak, soft, gentle, uncertain) |
| hanging back(expression, adjective, uncertain, doubtful) |