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.

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

When asked about the additional accusation surfacing, Stein said Busfield had volunteered to do a polygraph test and had passed it.

From BBC • Jan. 15, 2026

In a routine polygraph examination as part of a sought promotion, one of her subordinates said Gen. Tomer-Yerushalmi had directed her spokesperson to leak the film and that other senior staff officers knew this.

From The Wall Street Journal • Nov. 23, 2025

Isaac also remembered what he called Jefferson’s “copyin’ machine,” or polygraph, which could automatically produce an exact copy of what Jefferson wrote with his own pen.

From "In the Shadow of Liberty" by Kenneth C. Davis