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
Either way, no one seems to understand what Demi’s endgame is in all of this, especially now that lie detector tests seem to be standard operating procedure on this television program.
—
Olivia Crandall, Vulture, 14 Nov. 2025
In an unexpected twist, however, Lyonne will not be returning as traveling detective/human lie detector Charlie Cale.
—Christian Zilko, IndieWire, 13 Nov. 2025
Some of this involves a lie detector test and a cross-state road trip featuring the heavily pregnant Mayci Neeley and Mikayla Matthews, who act like this season’s Statler and Waldorf.
—Peter White, Deadline, 13 Nov. 2025
On Tuesday, the Grammy winner returned for round two of Vanity Fair’s lie detector test interview, a year after the series exposed her for doubting the 1969 moon landing.
—Shania Russell, Entertainment Weekly, 13 Nov. 2025
See All Example Sentences for lie detector
Olivia Crandall, Vulture, 14 Nov. 2025
In an unexpected twist, however, Lyonne will not be returning as traveling detective/human lie detector Charlie Cale.
—Christian Zilko, IndieWire, 13 Nov. 2025
Some of this involves a lie detector test and a cross-state road trip featuring the heavily pregnant Mayci Neeley and Mikayla Matthews, who act like this season’s Statler and Waldorf.
—Peter White, Deadline, 13 Nov. 2025
On Tuesday, the Grammy winner returned for round two of Vanity Fair’s lie detector test interview, a year after the series exposed her for doubting the 1969 moon landing.
—Shania Russell, Entertainment Weekly, 13 Nov. 2025
See All Example Sentences for lie detector
Recent Examples of Synonyms for lie detector
polygraph
Noun
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The report highlighted a degree of mistrust on both sides, with Chinese agents said to be recruiting Russian nationals with Chinese spouses and conducting polygraph tests on returning agents returning from the Eurasian country.—
Micah McCartney,
MSNBC Newsweek,
10 Dec. 2025
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The polygraph results were not admissible in court, so Perkins was not arrested at the time.—
Amanda McCoy,
Fort Worth Star-Telegram,
18 Nov. 2025
Cite this Entry
“Lie detector.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lie%20detector. Accessed 11 Jan. 2026.
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