Synonym Chooser

How does the adjective untruthful differ from other similar words?

Some common synonyms of untruthful are deceitful, dishonest, and mendacious. While all these words mean "unworthy of trust or belief," untruthful stresses a discrepancy between what is said and fact or reality.

an untruthful account of their actions

When is deceitful a more appropriate choice than untruthful?

The words deceitful and untruthful are synonyms, but do differ in nuance. Specifically, deceitful usually implies an intent to mislead and commonly suggests a false appearance or double-dealing.

the secret affairs of a deceitful spouse

When would dishonest be a good substitute for untruthful?

While the synonyms dishonest and untruthful are close in meaning, dishonest implies a willful perversion of truth in order to deceive, cheat, or defraud.

a swindle usually involves two dishonest people

When might mendacious be a better fit than untruthful?

While in some cases nearly identical to untruthful, mendacious may suggest bland or even harmlessly mischievous deceit and when used of people often suggests a habit of telling untruths.

mendacious tales of adventure

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 untruthful However, Miranda, Assad, and Arroyo routinely failed in their obligations to cooperate with the investigation by delaying responses, refusing to provide certain information or documents, and providing inconsistent or untruthful responses. Chris Deubert, Forbes, 19 Nov. 2024 On Wednesday, the defense attacked Marquez’s credibility, questioning his motives for cooperating with the FBI and grilling him over episodes in his background that might paint him as untruthful. Megan Crepeau, Chicago Tribune, 13 Nov. 2024 What is more untruthful: A thing written down, or a sustained deception of the heart? Nicolette Polek, Harper's Magazine, 2 July 2024 President Donald Trump’s decision to withdraw the United States from the Paris climate agreement on June 1 was terribly misguided, and his justification for doing so was misleading and untruthful. Robert N. Stavins, Foreign Affairs, 5 June 2017 See All Example Sentences for untruthful
Recent Examples of Synonyms for untruthful
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
  • There is no indication that the misleading edit was politically motivated.
    Brian Stelter, CNN Money, 10 Nov. 2025
  • Even if its 46 shots Sunday were a bit misleading, with many coming from manageable angles, that kind of volume isn’t possible without controlling possession.
    Max Bultman, New York Times, 10 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
Adjective
  • Matthiessen, not without reason, portrays the Bureau as paranoid, dishonest, and in league with corporate interests.
    Maggie Doherty, New Yorker, 13 Oct. 2025
  • For that incredibly dishonest assessment that actually did a disservice to the country, Obama is held up to widespread praise by Democrats and others, even winning the Nobel Peace Prize in 2009.
    Joe Battenfeld, Boston Herald, 11 Oct. 2025
Adjective
  • 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
  • Appeals can be made based on factors including incorrect data, adverse testing conditions, and school or community emergencies, according to the State Board of Education.
    Erick Trevino, AZCentral.com, 5 Nov. 2025
Adjective
  • President Trump is mendacious, vengeful, and unscrupulous.
    Krista Kafer, Denver Post, 20 Oct. 2025
  • At Comedy Central, Colbert rose to prominence playing a slightly exaggerated version of Bill O’Reilly and other unapologetically mendacious Fox News pundits from the George W. Bush years.
    Alan Sepinwall, Rolling Stone, 18 July 2025
Adjective
  • As analysis, that’s not wrong, but where’s the sting of it inside this bizarre bonbon of a musical?
    Sara Holdren, Vulture, 10 Nov. 2025
  • Despite his brilliance and intellect, he was prevented from having a full life by being born on the wrong side of Israel’s separation fence.
    Literary Hub, Literary Hub, 10 Nov. 2025
Adjective
  • The title-winning standard has been lower in recent years; City won it with 86, 93, 89 and 91 points between 2020-21 and 2023-24 and Liverpool with 84 points last season, but some of those totals give a false impression.
    Oliver Kay, New York Times, 8 Nov. 2025
  • The month prior, she was sentenced to one year and nine months in prison for using marijuana while owning a firearm and making false statements about drug use, per the newspaper.
    Christopher Rudolph, PEOPLE, 8 Nov. 2025

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Cite this Entry

“Untruthful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/untruthful. Accessed 17 Nov. 2025.

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