credulous vs unquestioning

credulous and unquestioning both are adjectives.

Word	Noun	Adjective	Verb	Adverb
credulous	No	Yes	No	No
unquestioning	No	Yes	No	No

credulous (adjective)	unquestioning (adjective)
disposed to believe on little evidence	being without doubt or reserve
showing a lack of judgment or experience	not inclined to ask questions