Definition of inquisitor noun from the Oxford Advanced Learner's Dictionary

inquisitor

noun

ɪnˈkwɪzɪtə(r) inquisitor pronunciation American

ɪnˈkwɪzɪtər

1 a person who asks a lot of difficult questions, especially in a way that makes you feel threatened2 an officer of the Inquisition of the Roman Catholic Churchinquisitorial

ɪnˌkwɪzəˈtɔːriəl inquisitorial pronunciation American

ɪnˌkwɪzəˈtɔːriəl

adjectiveHe questioned her in a cold inquisitorial voice. inquisitorially

adverb