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
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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
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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
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Recent Examples of Synonyms for falseness
Noun
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Kate divorced Jon, 48, in 2009 amid reports of infidelity surrounding her now ex-husband.
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Skratch also interviewed other sources for its story who alleged infidelity by Mickelson amid abrupt endings of memberships at other golf clubs.
Noun
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In movies, friendships end with a big blowup after there has been a significant betrayal by one party.
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Whether discussing policing, immigration, criminal justice or foreign policy, compromise is treated as betrayal.
Noun
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Guo was convicted of nine of 12 criminal charges during a seven-week trial that prosecutors said showcased his deception of thousands of investors in bogus deals that enabled Guo’s lavish lifestyle.
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By the time the deception was uncovered, the employee had authorized $25 million in transfers.
Noun
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The filings alleged adultery as the reason behind the divorce.
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Public opinion is against adultery.
Noun
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This is not treachery but the truest and noblest affection.
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Peacock’s adventures in treachery The Traitors was the top dog, scoring five prizes including Best Competition Series and Best Host for Alan Cumming.
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.
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Beyond the deceptiveness of the narrow material view, spiritual light and hope are always present to be found and felt.
Noun
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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.
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Any time there is a crisis in Iran, the 1953 British-American coup against Prime Minister Mohammad Mossadegh is dusted off as Exhibit A in the case against Western perfidy.
Noun
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What constitutes treason is emerging as an early theme of House of the Dragon’s third season.
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His attorney, Erias Lukwago, was taken from his house and later charged with an offense related to the concealment of treason.
Cite this Entry
“Falseness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/falseness. Accessed 6 Jul. 2026.
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