as in polygraphs
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 Synonyms for lie detectors
polygraphs
Noun
-
According to the court records cited by CTV, Brooks-Murray and Martell were first given polygraphs on May 12.—
Hollie Silverman,
MSNBC Newsweek,
23 Aug. 2025
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“Lie detectors.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lie%20detectors. Accessed 9 Sep. 2025.
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