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
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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
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Example Sentences
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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
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The plane also includes a spacious press cabin, according to a pool reporter onboard, with lie-flat seats that feature a massage function and individual TV screens.
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The press cabin contains 14 lie-flat pods, including large tan leather seats with luxury features such as lumbar supports and massage functions.
Noun
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The original trial was found to be invalid due to fraud and deceit.
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And with that comes deceit and manipulation.
Noun
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In the hands of Gillespie — whose specialty is edgy female-empowerment tales like the Oscar-winning I, Tonya and Cruella as well as the Emmy-winning Hulu series Pam & Tommy — how could the new Supergirl go wrong?
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The final score doesn't tell the tale of this game.
Noun
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Antisocial personality includes a persistent pattern of traits such as callousness, lack of concern, deceitfulness, and irresponsibility, Ryan said.
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Perfidy — from the French perfidie via the Latin perfidia — means deceitfulness, treachery or a breach of faith or promise.
Noun
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The Sacramento Bee published several notable stories Friday covering local government, public health and state worker policy.
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Cite this Entry
“Mendacity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mendacity. Accessed 3 Jul. 2026.
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