| rootless(adjective, uncertain, nervous, doubtful, shaky) |
| skeptical(adjective, uncertain, nervous, doubtful, unsettled) |
| suspicious(adjective, uncertain, nervous, doubtful, unsettled) |
| tentative(uncertain, hesitant, dubious, unsure) |
| theoretical(uncertain, hesitant, dubious, unsure) |
| touch and go(expression, adjective, idiom, uncertain, nervous) |
| troubled(uncertain, nervous, hesitant, dubious, insecure) |
| unassured(adjective, uncertain, nervous, doubtful, shaky) |
| uncertain(nervous, doubtful, hesitant, dubious, insecure) |
| unclear(adjective, uncertain, nervous, doubtful, shaky) |
| unconfident(adjective, uncertain, nervous, doubtful, shaky) |
| unconvinced(adjective, uncertain, nervous, doubtful, unsettled) |
| undecided(uncertain, nervous, doubtful, hesitant, dubious) |
| undependable(adjective, uncertain, nervous, doubtful, shaky) |
| unreliable(adjective, uncertain, nervous, doubtful, shaky) |
| unresolved(uncertain, hesitant, dubious, unsure) |
| unsettled(uncertain, hesitant, dubious, unsure) |
| unsure(adjective, uncertain, nervous, doubtful, hesitant) |
| untrustworthy(adjective, uncertain, nervous, doubtful, shaky) |
| untrusty(adjective, uncertain, nervous, doubtful, shaky) |