Fallacious
Fallacious adjective - Not using or following good reasoning.
In error and fallacious are semantically related In some cases you can use "In error" instead an adjective "Fallacious".
In error
Mutual synonyms
Related pairs
Cite this Source
In error and Fallacious. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/fallacious/in_error
Fallacious & In error. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/fallacious/in_error>.
In error or Fallacious. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/fallacious/in_error.
Google Ngram Viewer shows how "fallacious" and "in error" have occurred on timeline