unquestioning vs implicit

unquestioning and implicit both are adjectives.

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

As adjectives, unquestioning and implicit are synonyms defined as:

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