| unconvinced(uncertain, nervous, doubtful, dubious, insecure) |
| uneager(adjective, ready, uncertain, modest, humble) |
| uneasy(adjective, anxious, awkward, shy, doubtful) |
| unforthcoming(adjective, quiet, restrained, discreet, feel doubt) |
| unsteady(adjective, weak, uncertain, feeble, doubtful) |
| vacillatory(adjective, uncertain, shy, doubtful, decide) |
| wishy-washy(adjective, open, weak, uncertain, unstable) |
| apathetic(adjective, unfaithful, disloyal) |
| awkward(adjective, uncertain, shy, doubtful, tentative) |
| contrary(adjective, hostile, antagonistic, opposing, unwilling) |
| dithering(adjective, open, vague, unsure, wavering) |
| halfhearted(adjective, cool, weak, uncertain, doubtful) |
| jittery(adjective, anxious, nervous, shy, worried) |
| jumpy(adjective, uncertain, anxious, nervous, shy) |
| leery(adjective, restrained, cautious, suspicious, wary) |
| lukewarm(adjective, indifferent, unenthusiastic) |
| mistrustful(adjective, uncertain, nervous, doubtful, worried) |
| of two minds(expression, adjective, idiom, open, uncertain) |
| puzzled(uncertain, dubious, unsure, indecisive) |
| queasy(adjective, unenthusiastic, unwilling, disinclined) |