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
The lie detector test lasted five days, with a security guard driving Clark home every night and picking her up every morning.
—
Ethan Shanfeld, Variety, 27 May 2025
That statement wouldn’t have passed a lie detector test back in December.
—Jace Frederick, Twin Cities, 15 May 2025
In the clip, Natasha Lyonne's human lie detector character, Charlie, walks into a parlor where four of the five siblings have gathered.
—EW.com, 5 May 2025
James also described being required to take lie detector tests twice when Combs was trying to learn who stole cash and a watch.
—Michael R. Sisak, Los Angeles Times, 20 May 2025
See All Example Sentences for lie detector
Ethan Shanfeld, Variety, 27 May 2025
That statement wouldn’t have passed a lie detector test back in December.
—Jace Frederick, Twin Cities, 15 May 2025
In the clip, Natasha Lyonne's human lie detector character, Charlie, walks into a parlor where four of the five siblings have gathered.
—EW.com, 5 May 2025
James also described being required to take lie detector tests twice when Combs was trying to learn who stole cash and a watch.
—Michael R. Sisak, Los Angeles Times, 20 May 2025
See All Example Sentences for lie detector
Recent Examples of Synonyms for lie detector
polygraph
Noun
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The lie detector test was conducted by polygraph expert Brett Bartlett, a retired police officer with 20 years of experience in law enforcement.—
Stephanie Nolasco,
FOXNews.com,
24 May 2025
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James told the court that in his first year working for Combs, some money went missing and Combs had a former FBI agent who specialized in polygraphs to interview him.—
Doha Madani,
NBC news,
20 May 2025
Cite this Entry
“Lie detector.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lie%20detector. Accessed 9 Jun. 2025.
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