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Synonyms

untrue

American  
[uhn-troo] / ʌnˈtru /

adjective

untruer, untruest
  1. not true, as to a person or a cause, to fact, or to a standard.

    Synonyms:
    erroneous, unfounded, groundless
  2. unfaithful; false.

  3. incorrect or inaccurate.


untrue British  
/ ʌnˈtruː /

adjective

  1. incorrect or false

  2. disloyal

  3. diverging from a rule, standard, or measure; inaccurate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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