polygraph
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A Secret Service agent gave Oxford a polygraph test.
From Slate ● Sep. 17, 2026
Police officers then attached her to a polygraph machine and questioned her about the alleged disappearance of the money.
From BBC ● Sep. 15, 2026
“DNA evidence, witnesses recanting their prior statements and polygraph testing all supported the ‘actual innocence’ claims of Jarvis Ballard,” district attorney Perry Nicosia wrote.
From Salon ● Aug. 10, 2026
The DEA is supporting the Bolivian government as it conducts "reliability" screens on anti-narcotics officers using polygraph lie detectors.
From Barron's ● Apr. 1, 2026
Lie-detection tests are notoriously inaccurate, and calculations similar to the above demonstrate why truthful people who flunk polygraph tests usually outnumber liars.
From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos
Vocabulary lists containing polygraph
