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as in fraudulent
marked by, based on, or done by the use of dishonest methods to acquire something of value false advertising that claimed that the vegetables were organically grown when they weren't

Synonyms & Similar Words

Antonyms & Near Antonyms

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Synonym Chooser

How is the word false different from other adjectives like it?

Some common synonyms of false are disloyal, faithless, perfidious, traitorous, and treacherous. While all these words mean "untrue to what should command one's fidelity or allegiance," false stresses the fact of failing to be true in any manner ranging from fickleness to cold treachery.

betrayed by false friends

When is disloyal a more appropriate choice than false?

Although the words disloyal and false have much in common, disloyal implies a lack of complete faithfulness to a friend, cause, leader, or country.

disloyal to their country

When is it sensible to use faithless instead of false?

The words faithless and false can be used in similar contexts, but faithless applies to any failure to keep a promise or pledge or any breach of allegiance or loyalty.

faithless allies

How are the words perfidious and faithless related as synonyms of false?

Perfidious adds to faithless the implication of an incapacity for fidelity or reliability.

a perfidious double-crosser

Where would traitorous be a reasonable alternative to false?

In some situations, the words traitorous and false are roughly equivalent. However, traitorous implies either actual treason or a serious betrayal of trust.

traitorous acts punishable by death

When can treacherous be used instead of false?

The synonyms treacherous and false are sometimes interchangeable, but treacherous implies readiness to betray trust or confidence.

a treacherous adviser

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 false Lost has brought claims of trademark infringement, trademark dilution and false advertising, among others, against Gaga in its complaint. Meghan Hall, Sourcing Journal, 31 Mar. 2025 The motion detection is smart, too, distinguishing between people, pets, and vehicles, which cuts down on false alerts. Shubham Yewale, PC Magazine, 31 Mar. 2025 These scams often create a false sense of urgency or trust, bypassing even the strongest digital defenses. Alex Vakulov, Forbes.com, 29 Mar. 2025 Fowler played more of a false nine and dropped deeper to stitch the play together, combining well with Jill Roord. Charlotte Harpur, The Athletic, 20 Mar. 2025 See All Example Sentences for false
Recent Examples of Synonyms for false
Adjective
  • There were reports for a decade that his defection was imminent and even an erroneous report by a major outlet that a defection had happened.
    Kevin Acee, San Diego Union-Tribune, 23 Mar. 2025
  • Children’s Health Defense is an organization founded by Health and Human Services Secretary Robert F. Kennedy Jr., who has been criticized for his mixed and erroneous messaging about the ongoing measles outbreak, the largest in six years.
    Eduardo Cuevas, USA TODAY, 21 Mar. 2025
Adjective
  • The front fascia has also been revised, with a new faux grille design, a 2-D version of the marque’s four-ring logo, and even more prominent side air ducts.
    Bryan Hood, Robb Report, 2 Apr. 2025
  • During a love scene filmed on a bed with faux furs, Pike said was wearing nipple covers secured with tape.
    Lisa Respers France, CNN Money, 2 Apr. 2025
Adjective
  • From data breaches and counterfeit products to the rapid spread of misinformation, brand image threats are constantly multiplying and evolving.
    Shay Solomon, Forbes.com, 3 Apr. 2025
  • An Arizona man’s arrest after allegedly passing a counterfeit $100 bill at a Chesterton pizza parlor has prompted further investigation about a potential connection to other similar incidents in Porter County.
    Jim Woods, Chicago Tribune, 21 Mar. 2025
Adjective
  • In mock drafts, Hampton is often mocked to the early twenties or even late twenties to a team like the Washington Commanders.
    John W. Dean, MSNBC Newsweek, 5 Apr. 2025
  • Afterward, a mock court-martial was held, complete with the sentencing and execution of a private accused of desertion.
    Arkansas Online, Arkansas Online, 5 Apr. 2025
Adjective
  • This minimizes the risk of landing on a fraudulent page designed to mimic a legitimate website.
    Kurt Knutsson, CyberGuy Report, FOXNews.com, 31 Mar. 2025
  • If the auditor comes to believe that the taxpayer engaged in fraudulent behavior, the auditor must stop the audit and refer the matter to Criminal Investigation (CI).
    Bruce Brumberg, Forbes.com, 31 Mar. 2025
Adjective
  • Foreign military interventions can change victims from being viewed as a nuisance into being seen as powerful and traitorous enemies, potentially capable of exacting revenge, seizing power, or breaking away from the state.
    Benjamin A. Valentino, Foreign Affairs, 17 Oct. 2011
  • But what will their first move as a traitorous duo be?
    Tom Smyth, Vulture, 27 Feb. 2025
Adjective
  • By contrast, Russia’s own inertial guidance backups tend to be inaccurate.
    David Axe, Forbes.com, 29 Mar. 2025
  • In addition, prosecutors told their supervisors in a memo that the show had edited footage of the investigation out of chronological order, generating an inaccurate depiction of what happened.
    Jessica Lussenhop, ProPublica, 29 Mar. 2025
Adjective
  • Petrochemicals are used in products around us: plastic packaging is used for food, ammonia is used in fertilizers, synthetic rubber is used for tires, and many laundry detergents are used.
    Simi Thambi​, Forbes.com, 4 Apr. 2025
  • For instance, China, which was previously hit with a 20% tariff to address its role in the production of synthetic opioids, recieved an additional 34%, bringing the total to 54%.
    Swapna Venugopal Ramaswamy, USA Today, 3 Apr. 2025

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Cite this Entry

“False.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/false. Accessed 9 Apr. 2025.

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