unresolved vs undetermined

unresolved and undetermined both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unresolved	No	Yes	No	No
undetermined	No	Yes	No	No

As adjectives, unresolved and undetermined are synonyms defined as:

unresolved and undetermined: not brought to a conclusion; subject to further thought

Other synonyms of unresolved include open, undecided.

unresolved (adjective)	undetermined (adjective)
not solved	not yet having been ascertained or determined
characterized by musical dissonance; harmonically unresolved	not precisely determined or established; not fixed or known in advance
not brought to a conclusion; subject to further thought	not brought to a conclusion; subject to further thought