undecided

Definition of undecided in English English dictionary: Uncommitted, not having reached a decision
The result of the election is in doubt because of a large number of undecided voters.; Open and not yet settled or determined
The question of man's destiny is still undecided.; {a} undetermined, unsettled, vague; characterized by indecision; "some who had been on the fence came out in favor of the plan"; "too many voters still declare they are undecided"; not yet having made a commitment; "undecided voters"; {s} hesitant, not having yet decided; not determined; not yet having made a commitment; "undecided voters; If someone is undecided, they cannot decide about something or have not yet decided about it. After university she was still undecided as to what career she wanted to pursue He says he's counting on undecided voters to help him win next week's election; not brought to a conclusion; subject to further thought; "an open question"; "our position on this bill is still undecided"; "our lawsuit is still undetermined"; (deyim) in two minds about something
My niece is in two minds about whether or not she will come and visit me this summer.
undecided opinion: opinion that has not yet been determined
undecide: To reverse or recant, as a previous decision
undecidedly: hesitantly, with uncertainty, with indecision