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Definitions

untrue

[uhn-troo] / ʌnˈtru /
ADJECTIVE
dishonest
Synonyms
STRONGEST
apocryphal deceptive distorted erroneous false fictitious inaccurate incorrect misleading mistaken specious spurious unfaithful unsound untruthful wrong
WEAK
cheating counterfactual deceitful delusive deviant disloyal dissembling faithless fallacious forsworn hollow imprecise inconstant inexact lying meretricious off out of line perfidious perjured prevaricating recreant sham traitorous treacherous two-faced unloyal untrustworthy wide
Antonyms
STRONGEST
accurate actual authentic correct factual genuine honest just precise real right sound straight true truthful valid
WEAK
faithful

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.

"Secondly, untrue facts are being disseminated on the basis of a one-sided account," it continued.

From BBC • Mar. 24, 2026

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

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

The lawsuit calls that contention untrue — Estrada Juarez has never been in removal proceedings and has never seen an immigration judge.

From Los Angeles Times • Mar. 11, 2026

“I merely want, Mr. Jaggers,” said I, “to assure myself that what I have been told is true. I have no hope of its being untrue, but at least I may verify it.”

From "Great Expectations" by Charles Dickens

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.