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
Maybe the lie detector needle wouldn’t move after all if Packers general manager Brian Gutekunst uttered the line he’s already said multiple times this season.
—
Matt Schneidman, New York Times, 26 Apr. 2025
While Doc Odd measures her pulse, Angela Bassett uses it like a lie detector and subjects her to questioning.
—Rebecca Alter, Vulture, 2 Apr. 2025
Popularly known as lie detector tests, polygraphs monitor bodily responses such as blood pressure, changes in a person’s breathing, and sweating on the palms.
—Emily Hallas, The Washington Examiner, 29 Apr. 2025
There were travel restrictions to prevent leaks, and even discussions about subjecting employees to lie detector tests.
—Sheon Han, Wired News, 27 Mar. 2025
See All Example Sentences for lie detector
Matt Schneidman, New York Times, 26 Apr. 2025
While Doc Odd measures her pulse, Angela Bassett uses it like a lie detector and subjects her to questioning.
—Rebecca Alter, Vulture, 2 Apr. 2025
Popularly known as lie detector tests, polygraphs monitor bodily responses such as blood pressure, changes in a person’s breathing, and sweating on the palms.
—Emily Hallas, The Washington Examiner, 29 Apr. 2025
There were travel restrictions to prevent leaks, and even discussions about subjecting employees to lie detector tests.
—Sheon Han, Wired News, 27 Mar. 2025
See All Example Sentences for lie detector
Recent Examples of Synonyms for lie detector
polygraph
Noun
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The sharing of sensitive information comes as Defense Secretary Pete Hegseth’s office has just announced a crackdown on leaks of sensitive information, including the potential use of polygraphs on defense personnel to determine how reporters have received information.—
Tara Copp,
TIME,
24 Mar. 2025
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Ronald passed a polygraph test and maintained his innocence, the bulletin read.—
David Chiu,
People.com,
2 May 2025
Cite this Entry
“Lie detector.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lie%20detector. Accessed 28 May. 2025.
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