Antonyms of adj unquestioning

2 senses of unquestioning

Sense 1
unquestioning -- (not inclined to ask questions)

INDIRECT (VIA credulous) -> incredulous -- (not disposed or willing to believe; unbelieving)

Sense 2
implicit, unquestioning -- (being without doubt or reserve; "implicit trust")

INDIRECT (VIA absolute) -> relative, comparative -- (estimated by comparison; not absolute or complete; "a relative stranger")

Similarity of adj unquestioning

2 senses of unquestioning

Sense 1
unquestioning -- (not inclined to ask questions)
       => credulous (vs. incredulous) -- (disposed to believe on little evidence; "the gimmick would convince none but the most credulous")

Sense 2
implicit, unquestioning -- (being without doubt or reserve; "implicit trust")
       => absolute (vs. relative) -- (perfect or complete or pure; "absolute loyalty"; "absolute silence"; "absolute truth"; "absolute alcohol")