Dictionary.com
Thesaurus.com
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.

When that appeared to be untrue, the story line shifted.

From The Wall Street Journal

He has previously dismissed the affair allegation as untrue.

From Salon

Kosovo's former president and guerrilla leader Hashim Thaci called the war crimes charges against him "entirely untrue and utterly absurd" Wednesday on the final day of his marathon trial in The Hague.

From Barron's

Rogers said in a statement at the time: “That is completely untrue.”

From The Wall Street Journal

The police lawyers also relied on claims that every victim had died before 15:15 GMT, which again was later proven to be categorically untrue.

From BBC