Thesaurus results for LIE DETECTOR

lie detector

noun

as in polygraph

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

Synonyms & Similar Words

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polygraph

Example Sentences

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Recent Examples of lie detector Basically, Tsimhoni says, the testing acts as a lie detector. —

Kristin Shaw, Popular Science, 30 Apr. 2026 Would that statement hold up against a lie detector test? —

Matt Schneidman, New York Times, 27 Apr. 2026 Though Earle left Cooper’s Unwell Network months before Johnson chimed in during her Vanity Fair lie detector test in June 2025, nothing was ever confirmed on what went down between the two women and why Earle parted ways with Cooper’s company in March 2025. —

Carly Thomas, HollywoodReporter, 16 Apr. 2026 This is Ariana Grande’s, what, third time in a lie detector? —

Bethy Squires, Vulture, 16 Apr. 2026 See All Example Sentences for lie detector

Recent Examples of Synonyms for lie detector

polygraph

Noun

The counterclaim alleges Wherry hired a private investigator to look into the burglary, and Thompson failed a subsequent polygraph examination.

— Rachel DeSantis, PEOPLE, 23 June 2026
Carla’s boyfriend and family members were ruled out after passing polygraphs, according to Plautz.

— Dalia Faheid, CNN Money, 21 June 2026