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.

When the detective asked her to take a polygraph, she consented.

From Slate • Apr. 6, 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

Perez requested a polygraph test and failed it, Flores testified.

From Los Angeles Times • Feb. 19, 2026

He was hired in February 2025 after careful examination of his employment eligibility and a vetting process that included a criminal-background check and a polygraph, according to Joyce.

From The Wall Street Journal • Jan. 25, 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