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 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 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 Phelan, largely brushing off Covey's attacks as politically motivated and untruthful, has stuck to his reputation of having represented the district through several election cycles, running unopposed over the past several, and his work to advance border security legislation and funding last year. Hogan Gore, Austin American-Statesman, 20 May 2024 Our choice is the person who says the most outrageous, offensive and untruthful things, or the person who is subjected to those insults and lies. Letters To The Editor, The Mercury News, 29 Oct. 2024 See All Example Sentences for untruthful
Recent Examples of Synonyms for untruthful
Adjective
  • In numerous replies and posts, Grok wrote messaged that glorified Adolf Hitler, attached stereotypes to users with Jewish surnames and spread erroneous conspiracy theories about the role of Jewish people in government, commerce and media.
    Jack Dunn, Variety, 10 July 2025
  • Because of erroneous information on the website for the California Commission on Peace Officer Standards and Training (POST), a story published July 6 on Page A1 incorrectly reported that former San Jose police officer George Brown’s police license with the state had been taken off suspension.
    Bay Area News Group, Mercury News, 9 July 2025
Adjective
  • The two have had to step carefully during their tenure together, with McAfee once criticizing a top ESPN executive on air, and allowing one guest, Aaron Rodgers, to make inaccurate claims about coronavirus vaccines.
    Brian Steinberg, Variety, 15 July 2025
  • At least that error yields an answer to the question posed, albeit an inaccurate one.
    Ian Bogost, The Atlantic, 14 July 2025
Adjective
  • McClure is also accused of attempting to change his patient care reports in order to cover up his actions and being dishonest during interviews with his supervisors about the incident.
    Shelly Bradbury, Denver Post, 11 July 2025
  • Raynor was accused of having been dishonest about facts, including the way the author and her husband, Moth Winn — whose real names are allegedly Sally and Tim Walker — found themselves without a home.
    Raechal Shewfelt, EW.com, 8 July 2025
Adjective
  • One company statement referenced the video and stories related to it by pointing out incorrect information.
    Michael Loria, USA Today, 19 July 2025
  • Andy Byron has not put out any statement; reports saying otherwise are all incorrect.
    James Bickerton, MSNBC Newsweek, 19 July 2025
Adjective
  • Impulsive, egocentric, and mendacious, Trump has, in the same span, set fire to the integrity of his office.
    David Remnick, New Yorker, 27 Apr. 2025
  • Her unsettling command of the character — who was equal parts sweet, vulnerable, mendacious, and menacing — was one of the highlights of the series.
    Jake Kanter, Deadline, 24 Dec. 2024
Adjective
  • There is nothing wrong with having adapted in this way.
    Mark Travers, Forbes.com, 15 July 2025
  • For instance, Putignano says there’s nothing wrong with expecting a teen to clean their room, just as your parents expected of you.
    Beth Ann Mayer, Parents, 15 July 2025
Adjective
  • He’s hosted several world leaders for explosive Oval Office sit downs, including South African President Cyril Ramaphosa, who Trump argued with over false claims that white farmers in the country were victims of a genocide, and Ukrainian President Volodymyr Zelenskyy in February.
    Sara Dorn, Forbes.com, 16 July 2025
  • Mayumi pleaded guilty to a misdemeanor count of false reporting to authorities, while Richard did the same for a felony count of trying to influence a public servant, according to NPR.
    Jessica Sager, People.com, 15 July 2025

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Cite this Entry

“Untruthful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/untruthful. Accessed 25 Jul. 2025.

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