Interrogator
(noun)
- A person who questions someone in order to obtain information or a confession.
- A machine or device used for questioning or testing.
Origin:
Late 16th century (as an adjective meaning "questioning") from latin interrogat- "questioned", from the verb interrogare.
Examples:
- The interrogator asked him many questions but didn't get any useful answers.
- The interrogator at the border was asking for his passport and visa.
- The criminal was interrogated for hours but refused to give any information.
- The interrogator machine tested his knowledge on various subjects.
- The police were determined to find the truth, so they brought in an experienced interrogator.