implicit vs unquestioning

implicit and unquestioning both are adjectives.

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

As adjectives, implicit and unquestioning are synonyms defined as:

implicit (adjective)	unquestioning (adjective)
implied though not directly expressed; inherent in the nature of something	being without doubt or reserve
being without doubt or reserve	not inclined to ask questions