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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

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.

Untrue claims flood comment sections alleging medical debt can’t affect your credit.

From MarketWatch • Jan. 23, 2026

Things fell into place when Leland went to see Linus and Joseph's previous show, Diana: The Untold and Untrue Story, in Edinburgh.

From BBC • Nov. 17, 2023

That old saying, “Sticks and stones may break my bones, but words will never hurt me”? Untrue.

From Seattle Times • Oct. 3, 2022

We decided to worry about genre later, but settled on a name: Untrue Island.

From The Guardian • Jul. 8, 2012

Untrue to himself and his creed, Carlyle in his later books was constantly denouncing Government for neglecting to apply mechanical remedies for social diseases.

From Thomas Carlyle Famous Scots Series by Macpherson, Hector Carsewell

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