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.

One week after her first test, she submitted to another polygraph.

From Slate • Apr. 6, 2026

“I’m willing to take a polygraph test to make this stop,” she said.

From The Wall Street Journal • Mar. 15, 2026

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

From Los Angeles Times • Feb. 19, 2026

Kruger had noted a link between failed polygraph tests on its rangers and a surge in poaching, with follow-up investigations resulting in the dismissal of seven staff, it said.

From Barron's • Feb. 10, 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