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
Etymology
Origin of untrue
before 1050; Middle English untrewe, Old English un ( ge ) trēowe; see 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.
He said it was all untrue, and in a bid to clear his name, launched a high-profile legal battle.
From BBC • Apr. 8, 2026
Beneath the surface, however, Bohm has faced obstacles and oddities, including a frightening elbow infection and a viral social media post touting his generosity that was untrue.
From Los Angeles Times • Mar. 27, 2026
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
The Board also reserved the right to be able to trigger the suspension at any time in the future if the club makes intentionally untrue declarations.
From BBC • Mar. 16, 2026
Americans, like human beings everywhere, believe many things that are obviously untrue, the monograph went on.
From "Slaughterhouse-Five" by Kurt Vonnegut
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.
