undetermined in WordNet English dictionary

1. not precisely determined or established; not fixed or known in advance
   "of indeterminate age"; "a zillion is a large indeterminate number"; "an indeterminate point of law"; "the influence of environment is indeterminate"; "an indeterminate future"
   indeterminate  undetermined 
   
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 been ascertained or determined
   "of undetermined species"
   undetermined 
   

undetermined in English Wiktionary