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 There were a number of red flags throughout Ames' career — lie detector tests that showed deceptive answers, sudden unexplained wealth, poor job performance, alcohol abuse — but the CIA repeatedly missed or ignored the warning signs and promoted him to increasingly sensitive posts. —

Caitlin Yilek, CBS News, 6 Jan. 2026 Edwards is shown taking a lie detector test in the clip, which boasts a terrific twist at the end. —

Ross Raihala, Twin Cities, 14 Dec. 2025 The clips currently making the rounds feature 6ix9ine on their streams doing gags like answering questions under a lie detector. —

Jeff Ihaza, Rolling Stone, 25 Nov. 2025 Check out Grande and Yang’s complete lie detector test below. —

Kyle Denis, Billboard, 11 Nov. 2025 See All Example Sentences for lie detector

Recent Examples of Synonyms for lie detector

polygraph

Noun

The polygraph results were not admissible in court, so Perkins was not arrested at the time.

— Emerson Clarridge Updated March 21, Fort Worth Star-Telegram, 22 Mar. 2026
At one point Gentile agreed to submit to a polygraph examination, presumably to demonstrate his denials were truthful.

— Edmund H. Mahony, Hartford Courant, 22 Mar. 2026