| unclear(adjective, open, unsure, unresolved) |
| uncommitted(adjective, open, vague, hesitant, unsure) |
| undecided |
| undetermined(adjective, open, unsure, unresolved) |
| unsettled(adjective, open, vague, hesitant, unsure) |
| unsure(adjective, open, vague, hesitant, neutral) |
| up in the air(expression, adjective, idiom, open, vague) |
| waffling(adjective, open, unsure, irresolute, unresolved) |
| wavering(adjective, open, vague, hesitant, unsure) |
| hesitant(adjective, open, vague, unsure, wavering) |
| ambiguous |
| dithering |
| doubtful(adjective, open, unsure, unresolved) |
| dubious(adjective, open, unsure, unresolved) |
| equivocal(adjective, open, vague, hesitant, unsure) |
| in doubt |
| indefinite(adjective, open, vague, hesitant, unsure) |
| mercurial |
| moot(adjective, open, unsure, unresolved) |
| pending(adjective, open, unsure, unresolved) |