lie detector

Definition of lie detectornext
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

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Example Sentences

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Recent Examples of lie detector Baines hauls Samantha in directly from the hospital and hooks her up to the lie detector for questioning. Maggie Fremont, Vulture, 23 Feb. 2026 Turning truth into a literal currency through a lie detector test feels perfectly aligned with this year’s theme. Annika Pham, Variety, 16 Jan. 2026 This year’s lie detector session will take place at Gothenburg – Nordstan from January 16 to 18 and at Olof Palmes plats from January 24 to 26. Zac Ntim, Deadline, 12 Jan. 2026 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 See All Example Sentences for lie detector
Recent Examples of Synonyms for lie detector
polygraph
Noun
  • Days later, David Wiley was given a polygraph test.
    Peter Van Sant, CBS News, 12 Apr. 2026
  • As part of the investigation, licensors offered polygraph tests to both Andrew and Owen.
    Jessica Schreifels, ProPublica, 27 Mar. 2026

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Cite this Entry

“Lie detector.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lie%20detector. Accessed 17 Apr. 2026.

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