po·​lyg·​ra·​pher | \ ˈpä-lē-ˌgra-fər , pə-ˈli-grə-fər \

Definition of polygrapher

: one who operates a polygraph

Examples of polygrapher in a Sentence

Recent Examples on the Web

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, "Stormy Daniels’s Lawyer Buys Lie-Detector Video," 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.

First Known Use of polygrapher

circa 1934, in the meaning defined above

Keep scrolling for more

Learn More about polygrapher

Share polygrapher

Statistics for polygrapher

Look-up Popularity

Time Traveler for polygrapher

The first known use of polygrapher was circa 1934

See more words from the same year

Keep scrolling for more

More Definitions for polygrapher


po·​lyg·​ra·​pher | \ ˈpäl-i-ˌgraf-ər , pə-ˈlig-rə-fər \

Medical Definition of polygrapher

: a person who operates a polygraph

More from Merriam-Webster on polygrapher

Rhyming Dictionary: Words that rhyme with polygrapher

Comments on polygrapher

What made you want to look up polygrapher? Please tell us where you read or heard it (including the quote, if possible).


the perfect form or example of something

Get Word of the Day daily email!

Test Your Vocabulary

Valentine's Day Quiz

  • happy-valentines-day
  • Which word used to mean sweetheart or darling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Add Diction

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!