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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The subsequent episode—in which Sullivan, who had a serious boyfriend at home, is seen making out with one of the men—framed the incident as a simple case of infidelity.—
Judy Berman,
Time,
18 Feb. 2026 -
Moments after claiming bronze in Tuesday’s 20-kilometer men’s biathlon, Norway’s Sturla Holm Laegreid used the spotlight to make an emotional confession about infidelity and lingering feelings for his former partner.—
Denny Alfonso,
New York Times,
11 Feb. 2026
Noun
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Each day is a gamble of life and death, hope and betrayal; friendships run deep and can be shattered in an instant.—
Ashlee Conour,
Chicago Tribune,
19 Feb. 2026
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Based on Araminta Hall’s novel of the same name, the series explores a crime that shatters a decades-long friendship between three women, delving into guilt, retribution, love, betrayal and life-altering compromises.—
Kennedy French,
Variety,
18 Feb. 2026
Noun
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Comte’s feature directorial debut follows Quebec teenager Antoine, who travels to Ghana for a showdown with Kojo, a local gang member, amid an escalating game of deception.—
Etan Vlessing,
HollywoodReporter,
16 Feb. 2026
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The Portage case is different, as the subcontractor and his co-conspirators are accused of deception in their failure to deliver the televisions to warehouses.—
Jim Woods,
Chicago Tribune,
15 Feb. 2026
Noun
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Advertisement Both Paxton’s baggage and his history of using his office to troll Democrats is a central feature in the Republican primary, which has devolved into a barrage of personal attacks of betrayal, adultery, and corruption.—
Philip Elliott,
Time,
10 Feb. 2026
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Ken Paxton, a Republican running for the Senate, denied the adultery allegations.—
Jane Harper,
Dallas Morning News,
15 Jan. 2026
Noun
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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
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But despite all this, not every Chelsea fan outside his family will regard this transfer as treachery.—
Simon Johnson,
New York Times,
17 Jan. 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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According to the Security Service of Ukraine (SBU), investigators have opened more than 3,800 treason investigations since Russia launched its full-scale invasion in February 2022, with more than 1,200 individuals already found guilty and sentenced.—
Daria Tarasova-Markina,
CNN Money,
11 Feb. 2026
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Her testimony also alleges that prosecutors blocked her from testifying in civilian court and that she was transferred to military jurisdiction, accused of crimes including treason, rebellion and terrorism.—
Antonio María Delgado,
Miami Herald,
10 Feb. 2026
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Cite this Entry
“Falseness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/falseness. Accessed 21 Feb. 2026.
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