polygraphs

Definition of polygraphsnext
plural of polygraph
as in lie detectors
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 polygraphs According to the court records cited by CTV, Brooks-Murray and Martell were first given polygraphs on May 12. Hollie Silverman, MSNBC Newsweek, 23 Aug. 2025

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“Polygraphs.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/polygraphs. Accessed 27 Dec. 2025.

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