untruthful
Americanadjective
adjective
-
(of a person) given to lying
-
diverging from the truth; untrue
Other Word Forms
Etymology
Origin of untruthful
Middle English word dating back to 1325–75; see origin at un- 1, truthful
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Any account of the 14th Amendment that attempts to scrub away that history is untruthful.
From Slate ● Jul. 2, 2026
He calls this truth-telling, no matter how untruthful his guests are.
From The Wall Street Journal ● Nov. 9, 2025
As part of the settlement agreement, Big Ass Fans is required to comply with an injunction that bars it from making untruthful, deceptive or misleading marketing claims in the future.
From Los Angeles Times ● Jan. 30, 2025
If they find them to be false or untruthful or misleading, they publish their findings.
From Salon ● Nov. 30, 2024
There’s no question that this Texas-of-the- mind fable is often synthetic, sometimes untruthful, and frequently romantic, but that in no way diminishes its strength as a symbol.
From "Travels with Charley in Search of America" by John Steinbeck
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.