uncertain vs undetermined

uncertain and undetermined both are adjectives.

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

uncertain (adjective)	undetermined (adjective)
not established beyond doubt; still undecided or unknown	not yet having been ascertained or determined
lacking or indicating lack of confidence or assurance	not precisely determined or established; not fixed or known in advance
not certain to occur; not inevitable	not brought to a conclusion; subject to further thought
not established or confirmed
ambiguous (especially in the negative)
not consistent or dependable
subject to change