uncertain vs ambiguous

uncertain and ambiguous both are adjectives.

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

uncertain (adjective)	ambiguous (adjective)
not established beyond doubt; still undecided or unknown	having more than one possible meaning
lacking or indicating lack of confidence or assurance	open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead
not certain to occur; not inevitable	having no intrinsic or objective meaning; not organized in conventional patterns
not established or confirmed
ambiguous (especially in the negative)
not consistent or dependable
subject to change