Fallacious
Fallacious adjective - Not using or following good reasoning.
Usage example: it's fallacious to say that something must exist because science hasn't proven its nonexistence
Nonrational and fallacious are semantically related. In some cases you can use "Nonrational" instead an adjective "Fallacious".
Nonrational
Nonrational adjective - Not using or following good reasoning.
Usage example: was so upset that he was completely nonrational for a moment
Fallacious and nonrational are semantically related. Sometimes you can use "Fallacious" instead an adjective "Nonrational".
Mutual synonyms
Related pairs
- stupid and fallacious
- stupid and nonrational
- weak and fallacious
- weak and nonrational
- inconsequent and fallacious
- inconsequent and nonrational
- inconsistent and fallacious
- inconsistent and nonrational
- irrational and fallacious
- irrational and nonrational
- imaginary and fallacious
- imaginary and nonrational
- invalid and fallacious
- invalid and nonrational
Cite this Source
Nonrational and Fallacious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fallacious/nonrational
Fallacious & Nonrational. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fallacious/nonrational>.
Nonrational or Fallacious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fallacious/nonrational.
Google Ngram Viewer shows how "fallacious" and "nonrational" have occurred on timeline