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
  • Those have included other deportations to third countries and the erroneous deportation of Kilmar Abrego Garcia, a Salvadoran who had lived as a legal U.S. resident in Maryland for 14 years while working and raising a family.
    Julie Carr Smyth, Los Angeles Times, 24 May 2025
  • Those have included other deportations to third countries and the erroneous deportation of Kilmar Abrego Garcia, an El Salvadoran who had lived in Maryland for roughly 14 years working and raising a family.
    Julie Carr Smyth, Chicago Tribune, 24 May 2025
Adjective
  • Ortega also explained that her age makes people assume an inaccurate sense of naiveté.
    Wesley Stenzel, EW.com, 28 May 2025
  • But this is inaccurate as grid-scale storage batteries (BESS) can resolve this problem.
    Ian Dexter Palmer, Forbes.com, 27 May 2025
Adjective
  • Harvard’s dishonest expert on honesty is a poignant symbol of a far larger problem in academia: ideological allegiance replacing the quest for truth.
    Andrew Follett, National Review, 31 May 2025
  • On one hand, the inquiry appeared to play into his rivals’ criticisms of Mr. Cuomo as a dishonest broker, who has been accused of putting nursing home residents at risk during the coronavirus pandemic and seeking to cover it up.
    Nicholas Fandos, New York Times, 21 May 2025
Adjective
  • If a project fails because the decision to go ahead with the project turns out to be incorrect (which should happen frequently), that failure should not bear on the manager responsible for the project.
    Tim Koller, Time, 20 May 2025
  • The court had to issue a letter stating the interpretation was incorrect.
    Bob Carlson, Forbes.com, 20 May 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
  • For affluent Latino parents Enrique and Ilana Gomez, this moment goes hilariously wrong from the start, when their daughter Yoli invites her Mexican-born intended Marcos over to the family’s Pasadena home for dinner.
    Pam Kragen, San Diego Union-Tribune, 30 May 2025
  • There’s a right way and a wrong way to do it Matt Sekerke is a managing director at SEDA Experts and senior macro advisor at Hiddenite Capital Partners.
    Matt Sekerke, Fortune, 30 May 2025
Adjective
  • The decision to deploy Dembele as a false nine for a 3-1 home win over Lyon in mid-December proved the spark for a stupendous run of goal-scoring form in which the France international racked up 27 goals in only 22 appearances.
    Tom Williams, New York Times, 30 May 2025
  • Their accountant filed two false corporate tax returns, claiming one of the couple’s firms earned no money in 2015 and 2016.
    Howard Gleckman, Forbes.com, 30 May 2025

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Cite this Entry

“Untruthful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/untruthful. Accessed 4 Jun. 2025.

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