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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

Untrue, Mr. Callaghan said, although he also said he avoided the pub when Mr. Lloyd was bartending.

From New York Times • Nov. 28, 2020

True are my thoughts because they never flit, Untrue my thoughts because they me betrayed; Blind are my eyes because in clouds I sit, Not blind my eyes because I looks obeyed.

From Elizabethan Sonnet Cycles Phillis - Licia by Crow, Martha Foote