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Showing results for polygraph. Search instead for polygraphi.
Definitions

polygraph

[pol-i-graf, -grahf] / ˈpɒl ɪˌgræf, -ˌgrɑf /


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

Within DHS, Noem and Lewandowski frequently berate senior level staff, give polygraph tests to employees they don’t trust and have fired employees—in one incident, Lewandowski fired a U.S.

From The Wall Street Journal • Feb. 13, 2026

The West Wing actor's defence team submitted more than 70 letters from people vouching for his character and said that he underwent and passed a polygraph test pertaining to the allegations against him.

From BBC • Jan. 20, 2026

“We authenticated through polygraph and eyewitnesses due diligence,” Kohler said.

From Los Angeles Times • Nov. 22, 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