1. (adj)undetermined not yet having been ascertained or determined
"of undetermined species"
2. (adj)indeterminate, undetermined 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"
3. (adj)open, undecided, undetermined, unresolved 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"