Synonyms of polygraphs

polygraphs

noun

plural of polygraph

as in lie detectors

an instrument for detecting physical signs of the tension that goes with lying

intelligence agents were trained to fool the polygraph

Synonyms & Similar Words

• lie detectors

Example Sentences

Recent Examples of polygraphs

At agencies such as the Department of Homeland Security and the FBI, polygraphs reportedly have been used frequently – and more punitively – to identify internal dissenters. — Brian O'Neill, The Conversation, 10 Sep. 2026

Utilizing polygraphs, cardiographs, and encephalographs, scientists have proven a complex plant intelligence that determines levels of stress and emotions, as well as ESP (extrasensory perception) and fear of dying. — Literary Hub, 20 Aug. 2026

Carla’s boyfriend and family members were ruled out after passing polygraphs, according to Plautz. — Dalia Faheid, CNN Money, 21 June 2026

The stories of a half-dozen staffers who’d been subjected to hours-long polygraphs spread inside the agency. — Jonathan Blitzer, New Yorker, 17 Feb. 2026

The bureau also administers polygraphs to agents working on highly classified investigations and to agents accused of misconduct. — New York Times, 22 Jan. 2026

The table starts wondering how polygraphs work. — Olivia Crandall, Vulture, 13 Nov. 2025

The court filings show at least four polygraph examinations were conducted by investigators and that initial polygraphs for the children's mother, Malehya Brooks-Murray, and stepfather, Daniel Martell, had indicated truthful answers, according to a Friday report from CTV News. — Hollie Silverman, MSNBC Newsweek, 23 Aug. 2025