lie detector
noun
: a polygraph for detecting physiological evidence (such as change in heart rate) of the tension that accompanies lying
Examples of lie detector in a Sentence
The murder suspect failed a lie detector test.
hooked the suspect up to a lie detector before interrogating him about the robbery
Recent Examples on the Web
The star of Russian Doll plays Charlie Cale, a human lie detector on the run from a shady casino enforcer (Benjamin Bratt).
—
Brian Tallerico, Vulture, 18 Apr. 2024
Dan Hurley on lie detector The Huskies weren’t expected to have this much success – beating teams by an average of 27.8 points in the tournament – after their national championship last year, losing five of their top eight players.
—Joe Arruda, Hartford Courant, 5 Apr. 2024
Casey Anthony’s mom, Cindy, had to walk away from a lie detector test after suffering a panic attack while she was questioned about her late granddaughter, Caylee.
—Jager Weatherby, New York Daily News, 4 Jan. 2024
From vast biometric data collected without consent in refugee camps, to algorithms replacing visa officers and making discriminatory decisions, to AI lie detectors used at borders, the roll out of unregulated technologies is ever-growing.
—Petra Molnar, TIME, 21 May 2024
Enter Kohler, who commissioned a lie detector test that Sutton passed.
—Steve Henson, Los Angeles Times, 11 Apr. 2024
Before the performance and interview, the show began with the superstar undergoing a playful lie detector test.
—Isabela Raygoza, Billboard, 26 Mar. 2024
But things were far more complicated for contestants, who agreed to take a lie detector test and answer a series of increasingly personal questions.
—EW.com, 15 Feb. 2024
In a new special on A&E, both of Casey's parents — mother Cindy and father George — take lie detector tests on camera and reflect on the death of their granddaughter Caylee.
—Brenton Blanchet, Peoplemag, 4 Jan. 2024
Brian Tallerico, Vulture, 18 Apr. 2024
Dan Hurley on lie detector The Huskies weren’t expected to have this much success – beating teams by an average of 27.8 points in the tournament – after their national championship last year, losing five of their top eight players.
—Joe Arruda, Hartford Courant, 5 Apr. 2024
Casey Anthony’s mom, Cindy, had to walk away from a lie detector test after suffering a panic attack while she was questioned about her late granddaughter, Caylee.
—Jager Weatherby, New York Daily News, 4 Jan. 2024
From vast biometric data collected without consent in refugee camps, to algorithms replacing visa officers and making discriminatory decisions, to AI lie detectors used at borders, the roll out of unregulated technologies is ever-growing.
—Petra Molnar, TIME, 21 May 2024
Enter Kohler, who commissioned a lie detector test that Sutton passed.
—Steve Henson, Los Angeles Times, 11 Apr. 2024
Before the performance and interview, the show began with the superstar undergoing a playful lie detector test.
—Isabela Raygoza, Billboard, 26 Mar. 2024
But things were far more complicated for contestants, who agreed to take a lie detector test and answer a series of increasingly personal questions.
—EW.com, 15 Feb. 2024
In a new special on A&E, both of Casey's parents — mother Cindy and father George — take lie detector tests on camera and reflect on the death of their granddaughter Caylee.
—Brenton Blanchet, Peoplemag, 4 Jan. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lie detector.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near lie detector
Cite this Entry
“Lie detector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lie%20detector. Accessed 21 Jun. 2024.
Copy CitationMedical Definition
lie detector
noun
: a polygraph for detecting physiological evidence (as change in heart rate) of the tension that accompanies lying
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