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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Undoubtedly one of the toughest courses in the world, Shinnecock is a par-70 links-style course with uneven lies, deep rough along the fairway with random fescue, elevation changes and brutally difficult greens.—
Geoff Clark OutKick,
FOXNews.com,
15 June 2026
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Citizens become commodities; technology increases the power of an already powerful few; pop culture serves up mechanized slop; truth and lies commingle.—
Alex Ross,
New Yorker,
15 June 2026
Noun
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The shows tackle stories about murder, deceit, grief, familial estrangement, presidential assassinations, and complex mental health diagnoses — and all have found captive audiences on the streamer over the last year.—
Katie Campione,
Deadline,
28 May 2026
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In each new place, Charlie pretends to be Layla, hoping to ensnare an unsuspecting Stanley into his web of deceit.—
Nicole Briese,
PEOPLE,
28 May 2026
Noun
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However, the demise of a similar project in Serbia offers a cautionary tale.—
Zana Cimili,
Fortune,
12 June 2026
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One morning earlier this week, Thomas Lupo, the president and CEO of the American Wood Column Corporation, was in his office regaling two young entrepreneurs with tales of his 110-year-old family business.—
Anne Kadet,
Curbed,
12 June 2026
Noun
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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
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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
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Balogun's big night marked a historic moment in one of the more fascinating American soccer stories in USMNT history.—
Jackson Thompson,
FOXNews.com,
13 June 2026
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This story has been updated with new information and to add video.—
Jeanine Santucci,
USA Today,
13 June 2026
Cite this Entry
“Mendacity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mendacity. Accessed 20 Jun. 2026.
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