| changeable(adjective, doubtful, vague, hesitant, unsure) |
| debatable(adjective, uncertain, doubtful, shaky, vague) |
| dependent |
| dubious(adjective, uncertain, doubtful, vague, unsure) |
| indecisive(uncertain, doubtful, vague, dubious, unsure) |
| indefinite(uncertain, doubtful, unsettled, vague, dubious) |
| invalid(adjective, meaningless, unsubstantiated, unsupported, annulled) |
| provisional(adjective, uncertain, doubtful, unsettled, vague) |
| questionable(adjective, uncertain, doubtful, shaky, vague) |
| risky(adjective, doubtful, vague, unsure) |
| speculative(adjective, doubtful, unsettled, shaky, vague) |
| unauthoritative |
| undecided(adjective, doubtful, unsettled, vague, hesitant) |
| undemonstrated |
| unfixed(doubtful, vague, hesitant, changeable, unsure) |
| unsure(adjective, doubtful, vague) |
| void(adjective, meaningless, invalid, annulled, canceled) |
| acting |
| ad interim |
| ambivalent(doubtful, vague, hesitant, changeable, unsure) |