un ‧ ques ‧ tion ‧ ing /ʌnˈkwestʃənɪŋ/ BrE AmE adjective
[ Word Family: noun : ↑ question , questioning, ↑ questioner , ↑ questionnaire ; adjective : ↑ questionable ≠ ↑ unquestionable , ↑ questioning ≠ ↑ unquestioning , ↑ unquestioned ; adverb : ↑ unquestionably , ↑ questioningly ≠ ↑ unquestioningly ; verb : ↑ question ]
an unquestioning faith, attitude etc is very certain and without doubts:
an unquestioning belief in God
—unquestioningly adverb