uncertain vs ambivalent

uncertain and ambivalent both are adjectives.

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

uncertain (adjective)	ambivalent (adjective)
not established beyond doubt; still undecided or unknown	uncertain or unable to decide about what course to follow
lacking or indicating lack of confidence or assurance
not certain to occur; not inevitable
not established or confirmed
ambiguous (especially in the negative)
not consistent or dependable
subject to change