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

Synonyms & Similar Words

Relevance

Thesaurus Entries Near polygraph

Cite this Entry

“Polygraph.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/polygraph. Accessed 26 May. 2024.

More from Merriam-Webster on polygraph

Love words? Need even more definitions?

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