| backward(adjective, quiet, uncertain, modest) |
| lazy(adjective, uncertain, doubtful, hesitant) |
| modest(quiet, nervous, meek, fearful) |
| nervous(adjective, fearful, timid) |
| shaky(adjective, weak, uncertain, nervous) |
| slow(uncertain, doubtful, hesitant, cautious) |
| timorous(adjective, quiet, modest, nervous) |
| wavering(adjective, open, weak, uncertain, nervous) |
| afraid(uncertain, nervous, doubtful, hesitant) |
| dawdling(adjective, uncertain, doubtful, hesitant) |
| delaying(adjective, uncertain, doubtful, hesitant) |
| demure(quiet, modest, nervous, meek) |
| doubting(adjective, weak, uncertain, doubtful) |
| fearful(quiet, weak, modest, nervous) |
| half-hearted(adjective, uncertain, doubtful, hesitant) |
| hanging back(expression, adjective, uncertain, doubtful) |
| lacking confidence(expression, adjective, uncertain, doubtful) |
| skeptical(adjective, uncertain, doubtful, unsettled) |
| submissive(quiet, modest, nervous, sensitive) |
| uneager(adjective, uncertain, doubtful, hesitant) |