as in polygraph
an instrument for detecting physical signs of the tension that goes with lying
hooked the suspect up to a lie detector before interrogating him about the robbery
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Recent Examples of lie detector
Every action, whether minor or major, is followed by another lie detector test to confirm continued loyalty.
—
Yossi Melman, ProPublica, 7 Aug. 2025
After learning about Charlie’s human lie detector power, Alex decides to prod Brick about Rodney’s death in front of her, and Charlie can’t entirely ignore how much Brick is lying either.
—Louis Peitzman, Vulture, 26 June 2025
In asking for the Rule 29 motion, defense attorney Alexandra Shapiro argued there’s insufficient evidence of kidnapping and racketeering in regards to Capricorn Clark’s claim she was forced to take a lie detector test for days at a building in Manhattan after some of Combs’ jewelry went missing.
—Nbc News, NBC news, 24 June 2025
His security locked her in an office and administered a lie detector test.
—Tracy Wright, FOXNews.com, 28 May 2025
See All Example Sentences for lie detector
Yossi Melman, ProPublica, 7 Aug. 2025
After learning about Charlie’s human lie detector power, Alex decides to prod Brick about Rodney’s death in front of her, and Charlie can’t entirely ignore how much Brick is lying either.
—Louis Peitzman, Vulture, 26 June 2025
In asking for the Rule 29 motion, defense attorney Alexandra Shapiro argued there’s insufficient evidence of kidnapping and racketeering in regards to Capricorn Clark’s claim she was forced to take a lie detector test for days at a building in Manhattan after some of Combs’ jewelry went missing.
—Nbc News, NBC news, 24 June 2025
His security locked her in an office and administered a lie detector test.
—Tracy Wright, FOXNews.com, 28 May 2025
See All Example Sentences for lie detector
Recent Examples of Synonyms for lie detector
polygraph
Noun
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Following his arrest in 1957, Gein was suspected of Hartley's abduction, a case which had gone cold, but he was cleared by police after passing a polygraph test, per The Victoria Advocate.—
Randall Colburn,
Entertainment Weekly,
15 Oct. 2025
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Police officers, including Heskett, are hired after multiple interviews, an integrity test, ride-along evaluations, a polygraph, a psychological evaluation, drug screenings, medical screenings and extensive background checks, city of Lafayette spokesperson Natalie Miller said in a statement.—
Lauren Penington,
Denver Post,
22 Sep. 2025
Cite this Entry
“Lie detector.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lie%20detector. Accessed 31 Oct. 2025.
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