Definition of undecided:
all, reserve, be thinking of/about doing something, chalk something up, concede, of two minds, unique, agonized, overt, on the fence, dubious, be a toss-up, agonizing, indeterminate, undefended, up in the air, dissonant, aggregate, distrustful, bury, certain, indefinite, undetermined, in the balance, opened, unsettled, attack, unfinished, undefendable, capable, face to face, paradise, fateful, circumstantial, trustless, uncommitted, receptive, indecisive, effectively, skeptical, torn, situated, candid, unresolved, dubious, unsolved, indecision, in the middle, assist, doubtful, deadlock, heart-to-heart, open, doubtful, be better/worse off, mistrustful, assailable, hinky, cushion, effective, exposed, unconcluded, loose, suspicious, subject, clear, at a loss, unfastened.
irresolute (part of speech: adjective)
- uncertain (part of speech: adjective)
- "Laramie Holds the Range", Frank H. Spearman.
- "Steve Young", George Manville Fenn.
- "The Danger Mark", Robert W. Chambers.