Definition of untruthfulnext

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 The author’s entire barrage of commentary is plainly untruthful, as shown in reference to the August 2017 incident in which protestors were in favor of or against the removal of a statue of Robert E. Lee in Charlottesville, Virginia, that turned violent. Dp Opinion, Denver Post, 24 Nov. 2025 King suggested the defense attorney was being untruthful. Darcie Moran, Freep.com, 13 Nov. 2025 Officers making contact with Hyatt noted an odor of intoxicants, staggering gait, confusion and illogical, untruthful responses to questions, according to the motion. Arkansas Online, 18 Aug. 2025 The deficient vice of integrity is being fake, untruthful, inconsistent, unprincipled, and manipulative. Mary Crossan, Forbes.com, 17 July 2025 See All Example Sentences for untruthful
Recent Examples of Synonyms for untruthful
Adjective
  • Guillard, 41, of Houston, published more than 100 videos that made erroneous allegations against Scofield, according to court records.
    Kevin Fixler, Idaho Statesman, 23 Feb. 2026
  • The statement updated an earlier erroneous statement that the mall closed, police said.
    Sean Krofssik, Hartford Courant, 22 Feb. 2026
Adjective
  • Schaeffer says those late-season numbers were misleading.
    Patrick Saunders, Denver Post, 21 Feb. 2026
  • Cincinnati’s record also may be somewhat misleading.
    Shreyas Laddha, Kansas City Star, 21 Feb. 2026
Adjective
  • But that assumption is dangerously inaccurate, says John Fetse, assistant professor of pharmaceutical sciences at Binghamton University in New York.
    Dominique Mosbergen, Time, 24 Feb. 2026
  • In recent months, the Massachusetts Teachers Association circulated professional-development materials that many parents, educators, and lawmakers described as inaccurate or divisive.
    Robert Casper, Boston Herald, 24 Feb. 2026
Adjective
  • This is incredibly misleading, dishonest and self-serving.
    U T Readers, San Diego Union-Tribune, 25 Feb. 2026
  • In The Corner That Held Them, rarely does desire raise its head as the nuns busy themselves with dishonest bishops, honest con men, collapsing spires, inconclusive visions, ecclesiastical intrigues, catty infighting, attempts at levitation, and the plague.
    Air Mail, Air Mail, 14 Feb. 2026
Adjective
  • Unfortunately, those ideas were proven to be incorrect more than a hundred years ago.
    Big Think, Big Think, 25 Feb. 2026
  • Republicans complained that some organizations had been listed twice in the mammoth, 693-page budget bill and others had incorrect names.
    Christopher Keating, Hartford Courant, 25 Feb. 2026
Adjective
  • Supporters of recent state AI regulations said the measures will address potential threats to public safety and personal privacy, and to counter any mendacious actions created by AI, while not hindering innovation.
    Hope Moses, Chicago Tribune, 10 Jan. 2026
  • In the dry California hills, an intentional community tries to build a pyre for one of its own, and, in the complex and mendacious aftermath, may end up sort of burning down the nation-state.
    Helen Shaw, New Yorker, 14 Dec. 2025
Adjective
  • Colin Gray, at his construction job, texted him what was wrong, but the teen didn’t respond, text evidence shows.
    Eric Levenson, CNN Money, 28 Feb. 2026
  • There are no wrong moves, only infinite possibilities.
    Talia Abbas, Vogue, 28 Feb. 2026
Adjective
  • But Republicans are worried that the popular but scandal-plagued Paxton could eventually win the primary, boosting Democrats’ chances of finally flipping the seat blue after decades of false hope.
    Naomi Lim, The Washington Examiner, 28 Feb. 2026
  • That same user later posted another video acknowledging police’s statement about the false rumors, which only has about 3,000 views.
    Amanda Rosa, Miami Herald, 27 Feb. 2026

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Cite this Entry

“Untruthful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/untruthful. Accessed 1 Mar. 2026.

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