| in the middle |
| in the offing(expression, idiom, unsettled, incomplete, imminent) |
| in the works(expression, idiom, unsettled, incomplete, imminent) |
| incalculable(doubtful, vague, hesitant, dubious, changeable) |
| indecisive(adjective, open, uncertain, nervous, doubtful) |
| indefinite(adjective, open, certain, doubtful, vague) |
| indeterminate(doubtful, unsettled, vague, hesitant, questionable) |
| insecure(adjective, uncertain, nervous, doubtful, worried) |
| irresolute(open, uncertain, doubtful, vague, hesitant) |
| jumpy(uncertain, nervous, worried, hesitant, insecure) |
| moot(adjective, open, uncertain, doubtful, unsettled) |
| not definite |
| not sure |
| of two minds |
| on board(expression, unsettled, incomplete, imminent, undecided) |
| on line(expression, unsettled, incomplete, imminent, undecided) |
| on the fence(adjective, undecided) |
| on thin ice(expression, idiom, uncertain, doubtful, worried) |
| open to question |
| pensile(unsettled, incomplete, imminent, undecided, pendent) |