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
Relevance
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of lie detector
Her work has prompted sweeping changes to laws and regulations, including a California-wide ban on a debunked lie detector technology used to interrogate prisoners.
—
Susie Neilson, San Francisco Chronicle, 5 Mar. 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
Susie Neilson, San Francisco Chronicle, 5 Mar. 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
-
Kogut agreed to come in and take a polygraph test.—
Mary Murphy,
CBS News,
26 Apr. 2026
-
To tell man from machine, people rely on something called the Voight-Kampff test, which is a little like a polygraph; robot irises exhibit subtle tells when prompted.—
Will Gottsegen,
The Atlantic,
24 Apr. 2026
Cite this Entry
“Lie detector.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lie%20detector. Accessed 2 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
