Open English Wordnet
Adjectives
(a)indeterminate, undeterminednot 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”
(s)open, undecided, undetermined, unresolvednot brought to a conclusion; subject to further thought“an open question”, “our position on this bill is still undecided”, “our lawsuit is still undetermined”