| suspended(deferred, postponed) |
| suspicious(nervous, dubious, insecure, unsure, risky) |
| timid(uncertain, self-doubting, unconfident) |
| touchy(uncertain, nervous, worried, hesitant, insecure) |
| unassured(uncertain, nervous, insecure, unsure, self-doubting) |
| unconcluded |
| unconfirmed(doubtful, vague, hesitant, changeable, unsure) |
| unconvinced(nervous, insecure, unsure) |
| undependable(nervous, insecure, unsure) |
| unfixed(doubtful, vague, hesitant, changeable, unsure) |
| unforeseeable(doubtful, vague, hesitant, changeable, unsure) |
| unreliable(nervous, doubtful, vague, dubious, insecure) |
| unstable(nervous, insecure, unsure) |
| untrustworthy(nervous, insecure, unsure) |
| untrusty(nervous, insecure, unsure) |
| up for discussion(expression, adjective, idiom, unsettled, equivocal) |
| variable(doubtful, vague, hesitant, changeable, unsure) |
| very uncertain |
| weak(nervous, insecure, unsure) |
| wimpy(nervous, insecure, unsure) |