Fallacy
Fallacy noun - A false idea or belief.
Fatuousness and fallacy are semantically related. In some cases you can use "Fatuousness" instead a noun "Fallacy".
Fatuousness
Fatuousness noun - Lack of good sense or judgment.
Usage example: the sheer fatuousness of the theory precludes any serious discussion
Fallacy and fatuousness are semantically related. Sometimes you can use "Fallacy" instead a noun "Fatuousness".
Mutual synonyms
Cite this Source
Fatuousness and Fallacy. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/fallacy/fatuousness
Fallacy & Fatuousness. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/fallacy/fatuousness>.
Fatuousness or Fallacy. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/fallacy/fatuousness.
Google Ngram Viewer shows how "fallacy" and "fatuousness" have occurred on timeline