un·truth | \ˌən-ˈtrüth, ˈən-ˌtrüth\

Definition of untruth 

1 archaic : disloyalty

2 : lack of truthfulness : falsity

3 : something that is untrue : falsehood

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Examples of untruth in a Sentence

the untruths he has uttered their argument rests on a fundamental untruth which has long been discredited

Recent Examples on the Web

The sheer rate of Trump's untruth-telling is staggering. Chris Cillizza, CNN, "Donald Trump says untrue things as often as you go the bathroom every day," 1 May 2018 Another surprising element in the story is that dairnes have a unique power — the ability to detect untruth. Laurel Snyder, New York Times, "In Katherine Applegate’s New Fantasy Novel, Extinction Is Imminent," 25 May 2018 Lies, untruths, and distortions of truth plague its workings. Denise Coffey, Courant Community, "Pomfret School Alumni Share Thoughts On Trump, Putin, Jinping," 21 May 2018 But Bloomberg wasn't the only commencement speaker to speak of a culture of untruths this week. CBS News, "Michael Bloomberg fears "epidemic of dishonesty"," 12 May 2018 Trump, who according to The Washington Post Fact Check has so far lied more than 3,000 times as President, is possibly proving that peddling untruths on an industrial scale is how to avoid a blowback. Stephen Collinson, CNN, "Trump divines his own truth without consequences," 7 May 2018 The convenient untruth, whose side-effect has been to deepen Taiwan’s diplomatic isolation, was formulated when dictatorships in both Beijing and Taipei, the Taiwanese capital, claimed to rule all of China. The Economist, "Taiwan is again becoming a flashpoint between China and America," 5 Apr. 2018 But the other truths and untruths lie somewhere in between. Philip H. Devoe, National Review, "Michael Wolff’s Troubled Relationship with the Truth," 20 Jan. 2018 The speaker, as titular head of the Republican party, was forced to react to every untruth, exaggeration and attack leveled by the real estate magnate during the course of the 2016 campaign. Chris Cillizza, CNN, "How Paul Ryan lost and Donald Trump won in the fight for the future of the GOP," 11 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'untruth.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of untruth

before the 12th century, in the meaning defined at sense 1

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Statistics for untruth

Last Updated

3 Sep 2018

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Time Traveler for untruth

The first known use of untruth was before the 12th century

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More Definitions for untruth



English Language Learners Definition of untruth

: a statement that is not true

: the state of being false or a lie


un·truth | \ˌən-ˈtrüth \

Kids Definition of untruth

1 : the state of being false

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Comments on untruth

What made you want to look up untruth? Please tell us where you read or heard it (including the quote, if possible).


not any or not one

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