po·​lyg·​ra·​pher | \ ˈpä-lē-ˌgra-fər How to pronounce polygrapher (audio) , pə-ˈli-grə-fər How to pronounce polygrapher (audio) \

Definition of polygrapher

: one who operates a polygraph

Examples of polygrapher in a Sentence

Recent Examples on the Web Edgerly had failed a lie-detector test, and Mr. Bailey was brought in to challenge the prosecution’s polygrapher. Washington Post, 3 June 2021 In his report, the investigator determined that a lot of the information Tapp stated during his interrogation was provided to him by law enforcement and that statements the polygrapher made during the polygraph examinations were coercive in nature. Boaz Halaban, ABC News, 12 Mar. 2021 The actress known professionally as Stormy Daniels took the test on May 19, 2011, in Las Vegas, according to a copy of the report by polygrapher Ronald Slay reviewed by The Wall Street Journal. Michael Rothfeld, WSJ, 20 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polygrapher.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of polygrapher

circa 1934, in the meaning defined above

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The first known use of polygrapher was circa 1934

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Cite this Entry

“Polygrapher.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polygrapher. Accessed 23 Jan. 2022.

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More Definitions for polygrapher


po·​lyg·​ra·​pher | \ ˈpäl-i-ˌgraf-ər How to pronounce polygrapher (audio) , pə-ˈlig-rə-fər How to pronounce polygrapher (audio) \

Medical Definition of polygrapher

: a person who operates a polygraph


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