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.
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Hollie Silverman, MSNBC Newsweek, 23 Aug. 2025
Hollie Silverman, MSNBC Newsweek, 23 Aug. 2025
Cite this Entry
“Polygraphs.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/polygraphs. Accessed 13 Sep. 2025.
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