untrue
Americanadjective
-
not true, as to a person or a cause, to fact, or to a standard.
- Synonyms:
- erroneous, unfounded, groundless
-
unfaithful; false.
-
incorrect or inaccurate.
adjective
-
incorrect or false
-
disloyal
-
diverging from a rule, standard, or measure; inaccurate
Other Word Forms
- untrueness noun
- untruly adverb
Etymology
Origin of untrue
before 1050; Middle English untrewe, Old English un ( ge ) trēowe; un- 1, true
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.
This in turn has facilitated scientific misconduct by a smaller number of scientists untrue to their calling.
From The Wall Street Journal • Mar. 24, 2026
Ramadan Tent Project said Badenoch's comments were a "gross misrepresentation" of the gathering and "totally untrue".
From BBC • Mar. 19, 2026
I don’t think it’s untrue to say that most people right now feel helpless, at least to some degree.
From Salon • Mar. 14, 2026
That was a difficult moment for Jonas, who says the harsh response involved untrue statements about his character and intentions, “I have always stood for community,” he says.
From Los Angeles Times • Mar. 13, 2026
It’s down-to-earth, it’s simple, it’s untrue, and it’s familiar enough and trivial enough to be understood and loved by our greedy, nervous, illiterate sponsors.’”
From "Franny and Zooey" by J. D. Salinger
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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.