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
This is Ariana Grande’s, what, third time in a lie detector?
—
Bethy Squires, Vulture, 16 Apr. 2026
In his letter to Weber, Curtis promised to take a lie detector test after each election.
—Los Angeles Times, 25 Mar. 2026
Her work has prompted sweeping changes to laws and regulations, including a California-wide ban on a debunked lie detector technology used to interrogate prisoners.
—Susie Neilson, San Francisco Chronicle, 5 Mar. 2026
Turning truth into a literal currency through a lie detector test feels perfectly aligned with this year’s theme.
—Annika Pham, Variety, 16 Jan. 2026
See All Example Sentences for lie detector
Bethy Squires, Vulture, 16 Apr. 2026
In his letter to Weber, Curtis promised to take a lie detector test after each election.
—Los Angeles Times, 25 Mar. 2026
Her work has prompted sweeping changes to laws and regulations, including a California-wide ban on a debunked lie detector technology used to interrogate prisoners.
—Susie Neilson, San Francisco Chronicle, 5 Mar. 2026
Turning truth into a literal currency through a lie detector test feels perfectly aligned with this year’s theme.
—Annika Pham, Variety, 16 Jan. 2026
See All Example Sentences for lie detector
Recent Examples of Synonyms for lie detector
polygraph
Noun
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However, Baker's boyfriend, later identified as Chris Melton, per The Red & Black, was ruled out after passing a polygraph and providing an alibi.—
Emily Blackwood,
PEOPLE,
2 May 2026
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With her relentlessly melodic fourth album, Maitreya Corso (out today), Maya Hawke is starting to establish a sonic lane of her own, combining Aimee Mann-level musicality with hyper-literate, polygraph-test confessional lyrics.—
Brian Hiatt,
Rolling Stone,
1 May 2026
Cite this Entry
“Lie detector.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lie%20detector. Accessed 8 May. 2026.
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