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 outlet reported that the staffer was put on leave and asked to sit for a polygraph test and to give up her personal phone.
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Michael Nied, People.com, 28 Mar. 2025
Her boyfriend cooperated with police, passed a polygraph test and was cleared as a suspect, the investigators said.
—Gloria Casas, Chicago Tribune, 25 Mar. 2025
Every operative admits that infidelity runs rampant in their line of work even before George hooks each up to a polygraph machine.
—Amy Nicholson, Los Angeles Times, 13 Mar. 2025
Kelly reports on the polygraph test Bradley took and the questions Kansas City Police Department investigators asked the couple.
—Lisa Gutierrez, Kansas City Star, 13 Mar. 2025
See All Example Sentences for polygraph
Michael Nied, People.com, 28 Mar. 2025
Her boyfriend cooperated with police, passed a polygraph test and was cleared as a suspect, the investigators said.
—Gloria Casas, Chicago Tribune, 25 Mar. 2025
Every operative admits that infidelity runs rampant in their line of work even before George hooks each up to a polygraph machine.
—Amy Nicholson, Los Angeles Times, 13 Mar. 2025
Kelly reports on the polygraph test Bradley took and the questions Kansas City Police Department investigators asked the couple.
—Lisa Gutierrez, Kansas City Star, 13 Mar. 2025
See All Example Sentences for polygraph
Cite this Entry
“Polygraph.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/polygraph. Accessed 17 Apr. 2025.
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