Fallacious
Fallacious adjective - Not using or following good reasoning.
Stupid and fallacious are semantically related. In some cases you can use "Stupid" instead an adjective "Fallacious".
Stupid
Stupid adjective - Not having or showing an ability to absorb ideas readily.
Usage example: don't ask stupid questions
Fallacious and stupid are semantically related. Sometimes you can use "Fallacious" instead an adjective "Stupid".
Mutual synonyms
Cite this Source
Stupid and Fallacious. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/fallacious/stupid
Fallacious & Stupid. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/fallacious/stupid>.
Stupid or Fallacious. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/fallacious/stupid.
Google Ngram Viewer shows how "fallacious" and "stupid" have occurred on timeline