undecided in WordNet English dictionary

1. 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"
   on the fence  undecided 
   
2. 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"
   open  undecided  undetermined  unresolved 
   
3. not yet having made a commitment
   "undecided voters"
   undecided 
   

undecided in English Wiktionary