unsure vs ambivalent

unsure and ambivalent both are adjectives.

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

unsure (adjective)	ambivalent (adjective)
lacking or indicating lack of confidence or assurance	uncertain or unable to decide about what course to follow
lacking self-confidence