1
as in lie
a statement known by its maker to be untrue and made in order to deceive
highly fictionalized "memoirs" in which the facts were few and the mendacities many
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in deceit
the tendency to tell lies
you need to overcome this deplorable mendacity, or no one will ever believe anything you say
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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.
Recent Examples of mendacity
The answer from liberal institutions revealed to be complicit in large-scale violence and mendacity should still be a firm no.
—
Sean Williams, Harpers Magazine, 27 Jan. 2026
But the high-water mark of Mr. Trump’s mendacity was his ponderous assertion that Maduro’s removal was necessary because his election was plagued by voter fraud and illegitimacy.
—Bruce Fein, Baltimore Sun, 4 Jan. 2026
But widespread disgust with the mayor’s mendacity and the connivance of eight City Council members is changing the political landscape.
—U T Readers, San Diego Union-Tribune, 2 Dec. 2025
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
See All Example Sentences for mendacity
Sean Williams, Harpers Magazine, 27 Jan. 2026
But the high-water mark of Mr. Trump’s mendacity was his ponderous assertion that Maduro’s removal was necessary because his election was plagued by voter fraud and illegitimacy.
—Bruce Fein, Baltimore Sun, 4 Jan. 2026
But widespread disgust with the mayor’s mendacity and the connivance of eight City Council members is changing the political landscape.
—U T Readers, San Diego Union-Tribune, 2 Dec. 2025
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
See All Example Sentences for mendacity
Recent Examples of Synonyms for mendacity
Noun
-
There, a mad, out-of-control Mary lives on as tenaciously as George Washington’s inability to tell a lie.—
Thomas Mallon,
New Yorker,
18 May 2026
-
As their lies unravel, Nora and Jack try to outsmart one another.—
Brent Lang,
Variety,
18 May 2026
Noun
-
The Silicon Valley case remains the center of attention, focused on a 2024 lawsuit filed by Elon Musk that accuses OpenAI of alleged deceit in taking millions from the CEO of Tesla and SpaceX while operating as a nonprofit, only to later pivot into a for-profit enterprise.—
John Kell,
Fortune,
13 May 2026
-
There's everything from resentment to jealousy, favouritism, and deceit swirling around in a boiling-hot cauldron where fair is foul and foul is fair.—
Sergio Pereira,
Space.com,
6 May 2026
Noun
-
Because either McCluskie is one heck of a con man who rolled both Becerra and Williamson, making both believe what was happening was kosher with entirely different tales, or someone isn’t being entirely honest.—
Los Angeles Times,
Los Angeles Times,
15 May 2026
-
The bittersweet tale infused with humor and sadness chimed with the Cannes audience.—
Melanie Goodfellow,
Deadline,
15 May 2026
Noun
-
Antisocial personality includes a persistent pattern of traits such as callousness, lack of concern, deceitfulness, and irresponsibility, Ryan said.—
Harriet Ramos,
Fort Worth Star-Telegram,
29 Apr. 2026
-
Perfidy — from the French perfidie via the Latin perfidia — means deceitfulness, treachery or a breach of faith or promise.—
Harmeet Kaur,
CNN Money,
21 Jan. 2026
Noun
-
Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.—
Jo Yurcaba,
NBC news,
16 May 2026
-
Eggs, sushi, and crypto The account paid attention to smaller stories, too.—
Eva Roytburg,
Fortune,
16 May 2026
Cite this Entry
“Mendacity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mendacity. Accessed 19 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
