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
The couple were then given subsequent polygraph tests three more times during the investigation.
—
Hollie Silverman, MSNBC Newsweek, 23 Aug. 2025
The officer had 53 prior traffic citations, and admitted to two prior arrests during a polygraph, one for carrying brass knuckles and one for disorderly conduct.
—Shira Moolten, Sun Sentinel, 18 Aug. 2025
Imagine working under constant surveillance where your keystrokes are analyzed more closely than a polygraph test and your Slack tone is graded like a high school essay.
—Raghu Para, Forbes.com, 11 Aug. 2025
Olivo has conducted thousands of polygraph examinations for the FBI.
—Stephanie Nolasco, FOXNews.com, 9 July 2025
See All Example Sentences for polygraph
Hollie Silverman, MSNBC Newsweek, 23 Aug. 2025
The officer had 53 prior traffic citations, and admitted to two prior arrests during a polygraph, one for carrying brass knuckles and one for disorderly conduct.
—Shira Moolten, Sun Sentinel, 18 Aug. 2025
Imagine working under constant surveillance where your keystrokes are analyzed more closely than a polygraph test and your Slack tone is graded like a high school essay.
—Raghu Para, Forbes.com, 11 Aug. 2025
Olivo has conducted thousands of polygraph examinations for the FBI.
—Stephanie Nolasco, FOXNews.com, 9 July 2025
See All Example Sentences for polygraph
Recent Examples of Synonyms for polygraph
lie detector
Noun
-
Authorities interviewed and administered lie detector tests to students, teachers and even Hartley's father.—
Samantha Stutsman,
PEOPLE,
7 Oct. 2025
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This one has all the family secrets, betrayal and a sibling who acts as a human lie detector.—
Kail Lowry,
People.com,
23 Aug. 2025
Cite this Entry
“Polygraph.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/polygraph. Accessed 27 Oct. 2025.
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