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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.

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

Ramadan Tent Project said Badenoch's comments were a "gross misrepresentation" of the gathering and "totally untrue".

From BBC • Mar. 19, 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

But an ICE official later testified that that was untrue.

From Slate • Feb. 28, 2026

It was untrue, but it was what her father expected to hear.

From "Americanah" by Chimamanda Ngozi Adichie