Truth
Truth noun - Agreement with fact or reality.
Usage example: there is no truth to the rumor that the couple is getting a divorce
Untruth
Untruth noun - A false idea or belief.
Usage example: their argument rests on a fundamental untruth which has long been discredited
How words are described
| dark | dark truth | dark untruth |
| occasional | occasional truth | occasional untruth |
| literal | literal truth | literal untruth |
Both words in one sentence
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He is prominent when Andersen discusses truth vs untruth.
- Vulcans seem to have a very high estimation of truth and a distaste for untruth, but are willing to play fast and loose with the definition of a lie by proceeding according to the letter of what was said but not the spirit.
Source: Cannot Tell a Lie - William de Worde from The Truth, although physically capable of speaking an untruth, was so heavily-conditioned not to lie by his tyrannical father that even harmless fibs for politeness's sake leave William's internal monologue nervously reassuring him that it's okay.
Source: Cannot Tell a Lie
Cite this Source
Untruth and Truth. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/truth/untruth
Truth & Untruth. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/truth/untruth>.
Untruth or Truth. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/truth/untruth.
Google Ngram Viewer shows how "truth" and "untruth" have occurred on timeline