Definition, Meaning & Synonyms

polygraphist

noun

/ˈpɒlɪˌɡræfɪst/

Definition

A polygraphist is a person who uses a polygraph, commonly known as a lie detector, to measure physiological responses to questions.

Examples

The polygraphist carefully analyzed the results to determine if the suspect was lying.
She worked as a polygraphist for the law enforcement agency, conducting tests on potential applicants.

Meaning

The term refers to an individual trained in administering polygraph tests and interpreting the data from these tests to determine truthfulness or deception.