Thesaurus

polygraphs

noun
plural of polygraph

Synonyms of polygraphs

an instrument for detecting physical signs of the tension that goes with lying
  • intelligence agents were trained to fool the polygraph

Synonyms for polygraphs

See the Dictionary Definition 

Keep scrolling for more

Learn More about polygraphs

Cite this Entry

“Polygraphs.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/polygraphs. Accessed 9 Aug. 2020.

Comments on polygraphs

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

WORD OF THE DAY

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

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

TAKE THE QUIZ
Love words? Need even more definitions?

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