Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Thesaurus

lie detector

noun

Synonyms and Antonyms of lie detector

  1. an instrument for detecting physical signs of the tension that goes with lying <hooked the suspect up to a lie detector before interrogating him about the robbery> Synonyms polygraph




Learn More about lie detector


Seen and Heard

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

WORD OF THE DAY

the lowest point

Get Word of the Day daily email!