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
Advertisement The polygraph report could have been easily overlooked.
—
Noah Goldberg, Los Angeles Times, 20 Nov. 2024
Back at the safe house, Kyle and the gang are questioning Gutierrez on the polygraph while the maid, his informant in the Carrillo home, is having a much quieter chat with Kaitlyn.
—Andy Andersen, Vulture, 1 Dec. 2024
In between Tapp's nine interrogations, detectives also administered seven polygraph exams.
—Anne-Marie Green, Judy Rybak, CBS News, 16 June 2018
The whole group seems to accept the definite possibility that their captive is telling the truth, but Kaitlyn orders a thirty-milligram methylphenidate injection and polygraph test, just to be safe.
—Andy Andersen, Vulture, 24 Nov. 2024
See all Example Sentences for polygraph 
Noah Goldberg, Los Angeles Times, 20 Nov. 2024
Back at the safe house, Kyle and the gang are questioning Gutierrez on the polygraph while the maid, his informant in the Carrillo home, is having a much quieter chat with Kaitlyn.
—Andy Andersen, Vulture, 1 Dec. 2024
In between Tapp's nine interrogations, detectives also administered seven polygraph exams.
—Anne-Marie Green, Judy Rybak, CBS News, 16 June 2018
The whole group seems to accept the definite possibility that their captive is telling the truth, but Kaitlyn orders a thirty-milligram methylphenidate injection and polygraph test, just to be safe.
—Andy Andersen, Vulture, 24 Nov. 2024
See all Example Sentences for polygraph
Thesaurus Entries Near polygraph
Cite this Entry
“Polygraph.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/polygraph. Accessed 30 Jan. 2025.
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