as in lie detector
an instrument for detecting physical signs of the tension that goes with lying intelligence agents were trained to fool the polygraph

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Recent Examples of polygraph More politics news: The Department of Homeland Security has begun performing polygraph tests on employees to determine who might be leaking information to the media about immigration operations. Richie Duchon, NBC News, 10 Mar. 2025 The Department of Homeland Security is administering polygraph tests to its personnel to determine who may be leaking information to the media about its ongoing immigration raids, an agency spokesperson confirmed to CBS News Saturday. Olivia Rinaldi, CBS News, 8 Mar. 2025 The process can include jumping through a number of hoops, from a background check to a polygraph test, depending on the tier. Juliana Kim, NPR, 8 Feb. 2025 Diane agreed to take a polygraph test to clear her name. Doc Louallen, ABC News, 7 Feb. 2025 See All Example Sentences for polygraph

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“Polygraph.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/polygraph. Accessed 31 Mar. 2025.

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