Truthfulness and Untruthfulness
Opposite meaning words
Truthfulness
Truthfulness noun - Devotion to telling the truth.
Usage example: given the fact that used-car dealers are not renowned for their truthfulness, I had an independent mechanic check out the vehicle
Untruthfulness
Untruthfulness noun - The tendency to tell lies.
Usage example: consistent untruthfulness on your part will result in consistent distrustfulness on other people's part
Truthfulness is an antonym for untruthfulness.
Cite this Source
Untruthfulness and Truthfulness. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/truthfulness/untruthfulness
Truthfulness & Untruthfulness. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/truthfulness/untruthfulness>.
Untruthfulness or Truthfulness. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/truthfulness/untruthfulness.
Google Ngram Viewer shows how "truthfulness" and "untruthfulness" have occurred on timeline