1
2
3
4
5
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

6
7

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 Chengxuan Han, who also previously worked at the laboratory, was earlier charged with smuggling and making false statements. Adam Sabes, FOXNews.com, 7 Nov. 2025 In November 2024, CBS countersued, arguing that Sony had created a false pretext in order to get out of the 42-year-old King World distribution contract. Michael Schneider, Variety, 7 Nov. 2025 Peter Sellers was constantly wearing false teeth and fake noses for his disguises. Sarah Shachat, IndieWire, 7 Nov. 2025 Using incorrect or false case references in legal documents has real implications for defendants, because judges rely on these references to help form their rulings, Kjoller’s lawyers wrote. Sharon Bernstein, Sacbee.com, 7 Nov. 2025 See All Example Sentences for false
Recent Examples of Synonyms for false
Adjective
  • Patients who received the erroneous letters can contact MaineHealth’s patient relations department to confirm their status — alive and well — and ensure their records remain accurate.
    Jasmine Baehr, FOXNews.com, 6 Nov. 2025
  • So that's completely erroneous.
    ABC News, ABC News, 2 Nov. 2025
Adjective
  • Heathyoga Pleated Dress Pants Heathyoga cozy-fied the idea of a classic dress pant with an elastic waistband, faux back pockets, real side pockets, a faux fly, and belt loops.
    Olivia Young, Travel + Leisure, 6 Nov. 2025
  • The bootie slippers are covered in a striking microwool and lined with pillowy faux fur that’s super warming.
    Clara McMahon, PEOPLE, 6 Nov. 2025
Adjective
  • The company also underscores its crypto wallet’s minimalist threat surface, durability, and counterfeit checks.
    Wyles Daniel, USA Today, 6 Nov. 2025
  • While it is considered safe, unapproved injections or counterfeit injections can come with serious side effects, including botulism, which can be fatal.
    Jenni Fink, MSNBC Newsweek, 5 Nov. 2025
Adjective
  • What really makes the dress stand out is its chic details, which includes a structured seam around the waist, gold-tone decorative buttons, and a mock neckline.
    Alicia Geigel, Southern Living, 5 Nov. 2025
  • The eye-rolling, groaning, mock-despair brings the group together.
    Big Think, Big Think, 5 Nov. 2025
Adjective
  • Such fraudulent science can slow medical progress and delay vital treatment, The Scientist reported, especially when, as in this case, journals rarely took steps to correct the record.
    Tom Chivers, semafor.com, 7 Nov. 2025
  • The illegality generated more than $1 billion in fraudulent claims to Medicare and Medicaid.
    Kevin G. Hall, Miami Herald, 7 Nov. 2025
Adjective
  • Clarisse looks intimidating climbing out of a boat, as does Bushnell’s traitorous Luke, who wields a sharp-looking knife.
    Dessi Gomez, Deadline, 24 July 2025
  • There's a delicious whodunit aspect to it, too, as the list of five potentially traitorous suspects includes the operative's own high-profile wife (Cate Blanchett).
    Brian Truitt, USA Today, 4 July 2025
Adjective
  • This, in turn, creates a feedback loop where accurate, trustworthy information is rewarded while low-quality or potentially misleading content loses influence.
    Matthew Kayser, USA Today, 4 Nov. 2025
  • The idea is to prevent ads containing false or misleading material that can potentially hurt someone.
    Sydney Lupkin, NPR, 4 Nov. 2025
Adjective
  • Joy Buolamwini, a computer scientist at MIT Media Lab, has written extensively on the dangers of inaccurate and racially biased facial recognition systems.
    Literary Hub, Literary Hub, 5 Nov. 2025
  • The Gemini integration naturally raises concerns about the chatbot hallucinating inaccurate information.
    PC Magazine, PC Magazine, 5 Nov. 2025

Browse Nearby Words

Cite this Entry

“False.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/false. Accessed 11 Nov. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!