FALSENESS Synonyms: 76 Similar and Opposite Words

falseness

noun

Definition of falseness

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

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

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

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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 falseness The falseness of the medium, though, jibed with the falseness of most attempts, throughout American history, to make sense of this enormous, strange man. — Christopher Hooks, Harpers Magazine, 23 June 2026

Recent Examples of Synonyms for falseness

Noun

Many commenters highlight fears of infidelity, health risks, and the belief that a bisexual man might eventually prefer men, leading to heartbreak.

— Razzan Nakhlawi, Washington Post, 10 Oct. 2026
But their relationship cracked amid Hill’s infidelity and a lack of trust, Vaccaro testified.

— Milena Malaver, Miami Herald, 7 Oct. 2026

Definition of infidelity

Noun

As the formidable duo fights for the throne of Norway, the land is ripped apart by rivalries, loyalties and betrayals.

— Mya Copeland, Variety, 9 Oct. 2026
Based on a true story, the film follows a young woman whose romance with a married man sets off a dangerous chain of obsession, jealousy and betrayal.

— Tony Maglio, HollywoodReporter, 8 Oct. 2026

Definition of betrayal

Noun

Hosted by Alan Cumming, the social deduction game follows a group of contestants (who are sometimes celebrities) engaging in a Mafia or Werewolf-style game of deception.

— Ethan Shanfeld, Variety, 13 Oct. 2026
With shifting alliances and deception, only the most calculating player will survive to win it all, per the logline.

— Peter White, Deadline, 13 Oct. 2026

Definition of deception

Noun

The Royal Family, whose relations with Spencer have long been strained, are said to fear the book could contain numerous bombshells about Charles and Diana’s relationship, which was infamously plagued by adultery and acrimony.

— K.J. Yossman, Variety, 17 Sep. 2026
Its citizens held slaves, some of whom were shackled for committing adultery.

— Boris Kachka, The Atlantic, 4 Sep. 2026

Definition of adultery

Noun

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
Beyond the deceptiveness of the narrow material view, spiritual light and hope are always present to be found and felt.

— Sue Brightman, Christian Science Monitor, 3 Jan. 2025

Definition of deceptiveness

Noun

Platner, indeed, has boiled down nearly all political problems to the perfidy of sinister oligarchs.

— Jonathan Chait, The Atlantic, 6 July 2026
If the landing had been faked, the Soviets would have figured it out and would have loved to reveal to the world America’s perfidy.

— Encyclopedia Britannica, Encyclopedia Britannica, 14 May 2026

Definition of perfidy

Noun

When a pair of Israeli filmmakers released a documentary last month about civilian deaths in Gaza, party leaders across the spectrum, including Eisenkot, accused them of treason.

— Arkansas Online, Arkansas Online, 8 Oct. 2026
In 1990, senior West German counterintelligence official Klaus Kuron was exposed as a Stasi spy and later convicted of treason.

— Reuters, NBC news, 7 Oct. 2026

Definition of treason

Browse Nearby Words

falsely

falseness

falsification

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“Falseness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/falseness. Accessed 14 Oct. 2026.

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Synonyms of falseness

noun

Example Sentences

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