as in lie detector
an instrument for detecting physical signs of the tension that goes with lying
intelligence agents were trained to fool the polygraph
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Recent Examples of polygraph
In January, polygraph-failing acting CISA Director Madhu Gottumukkala uploaded sensitive government documents to ChatGPT after demanding and receiving an exemption to the agency policy that prohibited ChatGPT’s use by CISA personnel.
—
Lee Hutchinson,
ArsTechnica,
19 May 2026
His certainty comes after Lisa Ribacoff-Mooney, a polygraph expert and the owner of Interpoint Investigative Services, told RadarOnline that Guthrie is likely dead and she will probably never be found, because authorities just don’t know where to look.
—
Lizzie Lanuza,
StyleCaster,
15 May 2026
The polygraph is composed of several minuscule sensors in one soft device.
—
Adam Harrington,
CBS News,
14 May 2026
Homeland Security officials even subjected him to a polygraph test, accusing him and other officials of leaking details of a private meeting.
—
Gabriela Aoun Angueira,
Los Angeles Times,
12 May 2026
See All Example Sentences for polygraph
Lee Hutchinson,
ArsTechnica,
19 May 2026
His certainty comes after Lisa Ribacoff-Mooney, a polygraph expert and the owner of Interpoint Investigative Services, told RadarOnline that Guthrie is likely dead and she will probably never be found, because authorities just don’t know where to look.
—
Lizzie Lanuza,
StyleCaster,
15 May 2026
The polygraph is composed of several minuscule sensors in one soft device.
—
Adam Harrington,
CBS News,
14 May 2026
Homeland Security officials even subjected him to a polygraph test, accusing him and other officials of leaking details of a private meeting.
—
Gabriela Aoun Angueira,
Los Angeles Times,
12 May 2026
See All Example Sentences for polygraph
Recent Examples of Synonyms for polygraph
lie detector
Noun
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The building is outfitted with advanced technology, including three interview rooms with lie detectors that only use retina movement to base its findings.
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Back in 2022, the Good American co-founder took a lie detector test with her sister, Kourtney Kardashian Barker, for a Vanity Fair video.
Cite this Entry
“Polygraph.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/polygraph. Accessed 25 Jun. 2026.
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