Thesaurus.com
Dictionary.com
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.

See Examples For:

But it’s hard to imagine anyone would retain a desire to like the guy after he made them endure a polygraph to assess his own popularity.

From Salon Apr. 24, 2026

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

From Slate Apr. 6, 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




Vocabulary lists containing polygraph


Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training