Substantiation and Untruth
Opposite meaning words
Substantiation
Substantiation noun - Something presented in support of the truth or accuracy of a claim.
Untruth is an antonym for substantiation.
Untruth
Untruth noun - A statement known by its maker to be untrue and made in order to deceive.
Usage example: the Web site is rife with untruths and misleading information
Substantiation is an antonym for untruth.
Cite this Source
Untruth and Substantiation. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/substantiation/untruth
Substantiation & Untruth. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/substantiation/untruth>.
Untruth or Substantiation. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/substantiation/untruth.
Google Ngram Viewer shows how "substantiation" and "untruth" have occurred on timeline