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
The whole group seems to accept the definite possibility that their captive is telling the truth, but Kaitlyn orders a thirty-milligram methylphenidate injection and polygraph test, just to be safe.
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Andy Andersen, Vulture, 24 Nov. 2024
Williamson was later asked by sheriff’s investigators to take a polygraph test.
—Jordan D. Brown, CNN, 24 Nov. 2024
Some experts have warned that polygraph testing can harm minority candidates who feel unfairly targeted by the way the polygraph questions are administered.
—Simone Weichselbaum, NBC News, 1 Aug. 2024
My office, along with several members of the command staff, personnel unit, our polygraph operator, public information officer, and budget personnel are located in this building.
—Jim Dewees, Baltimore Sun, 22 July 2024
See all Example Sentences for polygraph 
Andy Andersen, Vulture, 24 Nov. 2024
Williamson was later asked by sheriff’s investigators to take a polygraph test.
—Jordan D. Brown, CNN, 24 Nov. 2024
Some experts have warned that polygraph testing can harm minority candidates who feel unfairly targeted by the way the polygraph questions are administered.
—Simone Weichselbaum, NBC News, 1 Aug. 2024
My office, along with several members of the command staff, personnel unit, our polygraph operator, public information officer, and budget personnel are located in this building.
—Jim Dewees, Baltimore Sun, 22 July 2024
See all Example Sentences for polygraph
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Cite this Entry
“Polygraph.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/polygraph. Accessed 31 Dec. 2024.
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