un·de·cid·ed 
(ŭn′dĭ-sīdĭd)
(ŭn′dĭ-sīdĭd)adj.
1. Not yet determined or settled; open: Our position on this bill is still undecided.
2. Not having reached a decision; uncommitted: undecided voters.
n. pl. un·de·cid·eds
One, such as a voter, that has not yet reached a decision: "Will this joint interview make up minds among the vast throng of undecideds?" (William Safire).
un′de·cided·ly adv.
un′de·cided·ness n.