Fallacious
Fallacious adjective - Not using or following good reasoning.
Suppositious and fallacious are semantically related. In some cases you can use "Suppositious" instead an adjective "Fallacious".
Suppositious
Suppositious adjective - Based primarily on surmise rather than adequate evidence.
Show all Definitions
Synonyms for Suppositious
Fallacious and suppositious are semantically related. Sometimes you can use "Fallacious" instead an adjective "Suppositious".
Mutual synonyms
Related pairs
- sham and fallacious
- sham and suppositious
- fake and fallacious
- fake and suppositious
- phony and fallacious
- phony and suppositious
- counterfeit and fallacious
- counterfeit and suppositious
- wrong and fallacious
- wrong and suppositious
- false and fallacious
- false and suppositious
- fraudulent and fallacious
- fraudulent and suppositious
Cite this Source
Suppositious and Fallacious. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/fallacious/suppositious
Fallacious & Suppositious. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/fallacious/suppositious>.
Suppositious or Fallacious. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/fallacious/suppositious.
Google Ngram Viewer shows how "fallacious" and "suppositious" have occurred on timeline