Fallacious and Plain
Opposite meaning words
Fallacious
Fallacious adjective - Tending or having power to deceive.
Usage example: consumers who harbor the fallacious belief that credit-card spending will never catch up with them
Plain is an antonym for fallacious.
Plain
Plain adjective - Going straight to the point clearly and firmly.
Usage example: a plain report on the current situation
Fallacious is an antonym for plain.
Cite this Source
Plain and Fallacious. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/fallacious/plain
Fallacious & Plain. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/fallacious/plain>.
Plain or Fallacious. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/fallacious/plain.
Google Ngram Viewer shows how "fallacious" and "plain" have occurred on timeline