noun
An official who is in charge of inquiring into accusations of heresy, witchcraft, or other offenses against the church.
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The inquisitor asked the witness a series of probing questions during the interrogation.
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The inquisitor grilled the suspect for hours trying to get a confession.
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The inquisitor was really digging for dirt on that guy.
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She was like an inquisitor, uncovering every detail of the scandal.