ambivalent vs uncertain

ambivalent and uncertain both are adjectives.

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

ambivalent (adjective)	uncertain (adjective)
uncertain or unable to decide about what course to follow	not established beyond doubt; still undecided or unknown
	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