Word.ws English Dictionary

lie detector

lie detector noun: a device designed to detect or indicate when a person is lying by measuring and recording several physiological variables.

lie detector: a device designed to detect or indicate when a person is lying by measuring and recording several...
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Noun

lie detector (plural lie detectors)

  1. (informal) A device designed to detect or indicate when a person is lying by measuring and recording several physiological variables.
    • It is a lie detector; with its aid one can plumb the bottomless pits of a chap's subconscious mind, and fathom all the mysteries of his subliminal ego.1909, Charles Edmonds Walk, The Yellow Circle, page 69

lie detector meaning in Tamil, Kannada and Persian

lie detector in Tamil

பொய் நிரூபமானி, பொய்யறி கருவி

lie detector in Kannada

ಸುಳ್ಳು ತುಬ್ಬುಕ

lie detector in Persian

polygraph ''(informal)''
دروغسنج doruġ-sanj

Synonyms of lie detector

Forms of lie detector

plurallie detectors
alternative formlie-detector

Origin of lie detector

From lie + detector. First use appears c. 1909. See cite below.

Questions about lie detector

What does lie detector mean?
Lie detector means a device designed to detect or indicate when a person is lying by measuring and recording several physiological variables.
What is lie detector in Tamil?
Lie detector in Tamil is பொய் நிரூபமானி, பொய்யறி கருவி. See Lie detector meaning in Tamil.
What part of speech is lie detector?
Lie detector is a noun.
What is the plural of lie detector?
The plural of lie detector is lie detectors.

Words near lie detector in the dictionary

  1. Lie bracket
  2. lie bump
  3. lie bumps
  4. lie by
  5. lie detection
  6. lie detector
  7. lie detectors
  8. lie doggo
  9. lie down
  10. lie down on the job
  11. Lie group

Source and license

Adapted from Wiktionary: lie detector (page history and authors); lie detector (Tamil Wiktionary) (page history and authors); lie detector (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-lie detector.wav.

Cite this entry: “lie detector.” Word.ws, https://word.ws/lie_detector. Based on Wiktionary, CC BY-SA 4.0.