IPA: /ʌnˈkwɛs.tʃən.ɪŋ/
KK: /ʌnˈkwɛsʧənɪŋ/
Describing someone who does not doubt or question something, often accepting it without hesitation or skepticism.
She had an unquestioning belief in his abilities, never doubting him for a moment.
Unquestioning → It is formed from "un-" (meaning not) and "question" (from Latin "quaestio", meaning inquiry or a seeking for information) and "-ing" (a suffix used to form present participles or adjectives). The word "unquestioning" means not questioning or accepting something without doubt or inquiry.
Think of 'not' ('un-') questioning something, which means accepting it without doubt.