unambiguous vs unquestionable

unambiguous and unquestionable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unambiguous	No	Yes	No	No
unquestionable	No	Yes	No	No

unambiguous (adjective)	unquestionable (adjective)
having or exhibiting a single clearly defined meaning	incapable of being questioned
admitting of no doubt or misunderstanding; having only one meaning or interpretation and leading to only one conclusion	not counterfeit or copied
	not open to question