men·​dac·​i·​ty | \ men-ˈda-sə-tē How to pronounce mendacity (audio) \
plural mendacities

Definition of mendacity

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

Keep scrolling for more

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

His mendacity obviously obstructed the leak investigation, requiring additional interviews as agents ran down the misleading information. Andrew C. Mccarthy, National Review, "McCabe and Papadopoulos: Two-Tiered Justice," 24 Aug. 2019 For all of its tightness and focus, his singing accounts for his perfectionism, his optimism and his grace, as well as his paranoia, his mendacity and his viciousness. Chris Richards, Washington Post, "Hearing a Michael Jackson song still feels good. Listening has become too painful.," 24 June 2019 Brazilians would have none of it, insisting that Lochte's mendacity was injurious to their country's national pride. Klara Glowczewska, Town & Country, "Ryan Lochte is the Ultimate Ugly American," 22 Aug. 2016 The moral of this story is not just the mendacity both campaigns have shown in attack ads on fellow-Republicans. Ed Kilgore, Daily Intelligencer, "West Virginia Republicans Lie About Each Other’s Imaginary Hillary-mania," 2 May 2018 His laughable mendacity on the size of the inaugural crowd set the standard for all the lies that have followed. Charles P. Pierce, Esquire, "Drill, Baby, Drill—in 2028?," 9 Mar. 2018 Like [Spicer, Conway and Sanders], Hicks, even in her camera- and microphone-shy way, spent years being loyal to Trump and his mendacities. James Hohmann, Washington Post, "The Daily 202: Trump triangulates on trade. Here are five takeaways from the tariff announcement.," 2 Mar. 2018 The mendacity of breweries and their willingness to take advantage of young children and their families no doubt contributed to the dramatic and theatrical flair of Leslie’s reports. Daniel Fernandez, Smithsonian, "The Surprisingly Intolerant History of Milk," 11 May 2018 Nonetheless, there are signs that the two sides, amid the standoff, haven’t completely cut off ties, providing a thin possibility that the U.S. sanctions, the heated rhetoric and the Russian accusations of U.S. mendacity mask a desire to get along., "Syria Strikes Lock U.S. and Russia Into a New Era of Animosity," 16 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mendacity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of mendacity

1646, in the meaning defined at sense 1

Keep scrolling for more

Learn More about mendacity

Dictionary Entries near mendacity







Mendel's law

Statistics for mendacity

Last Updated

2 Sep 2019

Look-up Popularity

Time Traveler for mendacity

The first known use of mendacity was in 1646

See more words from the same year

Keep scrolling for more

More Definitions for mendacity



English Language Learners Definition of mendacity

formal : lack of honesty : the condition of being mendacious

More from Merriam-Webster on mendacity

Rhyming Dictionary: Words that rhyme with mendacity

Thesaurus: All synonyms and antonyms for mendacity

Britannica English: Translation of mendacity for Arabic Speakers

Comments on mendacity

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


to spread over or through

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Syn City

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

Love words? Need even more definitions?

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