Fallacious
Fallacious adjective - Not using or following good reasoning.
Thoughtless and fallacious are semantically related. In some cases you can use "Thoughtless" instead an adjective "Fallacious".
Thoughtless
Thoughtless adjective - Showing a lack of manners or consideration for others.
Fallacious and thoughtless are semantically related. Sometimes you can use "Fallacious" instead an adjective "Thoughtless".
Mutual synonyms
Cite this Source
Thoughtless and Fallacious. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/fallacious/thoughtless
Fallacious & Thoughtless. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/fallacious/thoughtless>.
Thoughtless or Fallacious. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/fallacious/thoughtless.
Google Ngram Viewer shows how "fallacious" and "thoughtless" have occurred on timeline