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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.

See Examples For:

Moynihan has more than once used “gainsay,” or to declare something as untrue or invalid.

From The Wall Street Journal Aug. 17, 2026

A spokesman for the now Fifa president was reported to have told the paper Infantino "strongly denies these categorically untrue allegations".

From BBC Aug. 7, 2026

If he was implying that the money was specifically pigeonholed for an accelerated retirement of government securities, that’s untrue.

From Los Angeles Times Aug. 6, 2026

Eddins’ majority applied the false-evidence standard used when prosecutors knowingly present untrue testimony, holding that the state constitution makes the prosecutor’s knowledge irrelevant.

From Slate Jul. 17, 2026

But now I knew this was untrue, and that I was exactly like other girls.

From "The Evolution of Calpurnia Tate" by Jacqueline Kelly

And Graham once more snatched her aloft, and she again punished him; and while she pulled his lion's locks, termed him—"The naughtiest, rudest, worst, untruest person that ever was."

From Villette by Charlotte Brontë

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