1
as in infidelity
lack of faithfulness especially to one's husband or wife
so that their love would never know a moment of falseness, Thomas Jefferson promised his dying wife that he would never remarry
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in betrayal
the act or fact of violating the trust or confidence of another
she could not believe that her so-called best friend could ever be guilty of such falseness
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in deception
the quality or state of being false
the falseness of your reasoning is so blatant that it's no wonder you reached that absurd conclusion
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for falseness
Noun
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Their royal union was complicated by infidelity and intense media scrutiny.—
Bailey Bujnosek,
InStyle,
25 Feb. 2026 -
Cornyn has defended the bipartisan gun law, has chided Hunt over missing votes in Washington and relentlessly trolled Paxton over his divorce, allegations of infidelity and issues surrounding his impeachment.—
Gromer Jeffers Jr,
Dallas Morning News,
23 Feb. 2026
Noun
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Even with the game result finalized at this point, the anticipation to see how Maura would react to Rob’s betrayal was almost sky high, and the result matched the moment.—
Dalton Ross,
Entertainment Weekly,
27 Feb. 2026
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Key leaders in the MAHA movement regarded the move as a betrayal.—
Tom Bartlett,
The Atlantic,
26 Feb. 2026
Noun
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The Stolen Girl series follows a mother whose young daughter goes missing after a sleepover, unfolding into a story of deception, family secrets, and betrayal.—
Jesse Whittock,
Deadline,
24 Feb. 2026
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That endorsement comes from someone who has watched every moment of every season’s deception and strategy unfold.—
Hanna Wickes,
Kansas City Star,
23 Feb. 2026
Noun
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The Texas attorney general beat a 2023 impeachment trial on corruption charges and reached a deal to end a long-running securities fraud case but now faces a contentious divorce over allegations of adultery.—
Meg Kinnard,
Chicago Tribune,
17 Feb. 2026
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Its roots are in publicly paying penance for serious sins or crimes in the eyes of the church, like adultery or apostasy, which means renouncing the church and its beliefs.—
Lianna Norman,
Florida Times-Union,
16 Feb. 2026
Noun
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After Thomas Hickey was hanged that year for mutiny, sedition and treachery, Washington warned that his fate should serve as a caution to all soldiers.—
Kim Hjelmgaard,
USA Today,
26 Feb. 2026
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With their leader detained, El Mayo’s sicarios, or hit men, declared war against supporters of Chapo’s sons in an attempt to exact vengeance for the treachery and strengthen their own position in the wider organization.—
Daniel DePetris,
Mercury News,
26 Feb. 2026
Noun
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Of course, the retort is that this would be irritating and exasperating to be continually deluged with alerts about AI deceptiveness.—
Lance Eliot,
Forbes.com,
24 Aug. 2025
Noun
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But the mayor’s dramatic tale of his predecessor’s fiscal fiddling was designed with a clear political agenda in mind: both to underline the magnitude of the problem and to identify the villains responsible for this perfidy.—
Washington Post,
Washington Post,
29 Jan. 2026
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More recently, an al Qaeda operative and suspected mastermind behind the 2000 USS Cole bombing — in which suicide bombers sidled up alongside a US warship, waved to the sailors and then detonated explosives — was charged with perfidy, among other crimes.—
Harmeet Kaur,
CNN Money,
21 Jan. 2026
Noun
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Ocalan, 76, has been imprisoned on the island of Imrali, off the coast of Istanbul, since 1999, after being convicted of treason.—
ABC News,
ABC News,
27 Feb. 2026
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Fearful of being captured and charged with treason for opposing British rule, American leaders would gather in private homes or taverns.—
Phaedra Trethan,
USA Today,
23 Feb. 2026
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Cite this Entry
“Falseness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/falseness. Accessed 3 Mar. 2026.
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