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
Filmed in conjunction with Grande and Erivo’s joint Vanity Fair cover story, the lie detector test also gave the R.E.M. Beauty founder an opportunity to set the record straight on numerous plastic surgery rumors that have followed her over the past couple of years.
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Hannah Dailey, Billboard, 30 Sep. 2024
And last season’s bonus episode saw cast members take a lie detector test, which divulged that the Oppenheim Group founder still had feelings for Stause.
—Erin Clements, Peoplemag, 12 Sep. 2024
But while Kyle talked up the accuracy of the lie detectors, they have been called into question since the show was axed almost immediately after Dymond took his own life.
—Max Goldbart, Deadline, 5 Sep. 2024
And does this critical investigation require a DNA test, a lie detector test, or both?
—Lorraine Ali, Los Angeles Times, 1 Aug. 2024
See all Example Sentences for lie detector 
Hannah Dailey, Billboard, 30 Sep. 2024
And last season’s bonus episode saw cast members take a lie detector test, which divulged that the Oppenheim Group founder still had feelings for Stause.
—Erin Clements, Peoplemag, 12 Sep. 2024
But while Kyle talked up the accuracy of the lie detectors, they have been called into question since the show was axed almost immediately after Dymond took his own life.
—Max Goldbart, Deadline, 5 Sep. 2024
And does this critical investigation require a DNA test, a lie detector test, or both?
—Lorraine Ali, Los Angeles Times, 1 Aug. 2024
See all Example Sentences for lie detector
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Cite this Entry
“Lie detector.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lie%20detector. Accessed 2 Jan. 2025.
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