mendacity

noun

men·​dac·​i·​ty men-ˈda-sə-tē How to pronounce mendacity (audio)
plural mendacities
1
: the quality or state of being mendacious
… to blow the whistle on mendacity and hypocrisy.Geoffrey Wolff
2
: lie
mendacities of the singer's manager

Examples of mendacity in a Sentence

highly fictionalized “memoirs” in which the facts were few and the mendacities many you need to overcome this deplorable mendacity, or no one will ever believe anything you say
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Viewed from an especially merciless or purgatorial angle, certain strands of my life are little more than histories of lo-fi mendacity. James Parker, The Atlantic, 28 Oct. 2025 But one finishes this family saga more fully understanding why, for Xi Jinping, opacity and mendacity became the best guarantors of survival. Foreign Affairs, 20 Oct. 2025 By promoting dissimulation and sanctifying mendacity, Trump’s tsarist regime works to silence knowledge. Sun Sentinel Editorial Board, Sun Sentinel, 8 Apr. 2025 Biden’s half-century political career is littered with mendacity, self-dealing, and crass calculations. The Editors, National Review, 2 Dec. 2024 See All Example Sentences for mendacity

Word History

First Known Use

circa 1540, in the meaning defined at sense 1

Time Traveler
The first known use of mendacity was circa 1540

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Cite this Entry

“Mendacity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mendacity. Accessed 17 Nov. 2025.

Last Updated: - Definition revised
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