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
Douglas was publicly named a suspect on America's Most Wanted, though, as the Times-Dispatch reported, a spokesperson for Royal Caribbean said Douglas voluntarily submitted to a polygraph test for the FBI and passed.
—
Randall Colburn, EW.com, 16 July 2025
After 15 years of speculation surrounding Gary Coleman’s death, his ex-wife, Shannon Price, took a polygraph test in attempt to defend her innocence.
—Vivian Kwarm, New York Daily News, 8 July 2025
Iannone also passed a polygraph and provided his DNA to the authorities.
—Veronica Fulton, NBC news, 6 July 2025
Ward confronted Barnes about that polygraph test from the original case file.
—Vladimir Duthiers, Paul Larosa, CBS News, 12 Apr. 2025
See All Example Sentences for polygraph
Randall Colburn, EW.com, 16 July 2025
After 15 years of speculation surrounding Gary Coleman’s death, his ex-wife, Shannon Price, took a polygraph test in attempt to defend her innocence.
—Vivian Kwarm, New York Daily News, 8 July 2025
Iannone also passed a polygraph and provided his DNA to the authorities.
—Veronica Fulton, NBC news, 6 July 2025
Ward confronted Barnes about that polygraph test from the original case file.
—Vladimir Duthiers, Paul Larosa, CBS News, 12 Apr. 2025
See All Example Sentences for polygraph
Recent Examples of Synonyms for polygraph
lie detector
Noun
-
This one has all the family secrets, betrayal and a sibling who acts as a human lie detector.—
Kail Lowry,
People.com,
23 Aug. 2025
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Every action, whether minor or major, is followed by another lie detector test to confirm continued loyalty.—
Yossi Melman,
ProPublica,
7 Aug. 2025
Cite this Entry
“Polygraph.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/polygraph. Accessed 10 Sep. 2025.
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