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
Sly and fallacious are semantically related. In some cases you can use "Sly" instead an adjective "Fallacious".
Sly
Sly adjective - Clever at attaining one's ends by indirect and often deceptive means.
Fallacious and sly are semantically related. Sometimes you can use "Fallacious" instead an adjective "Sly".
Mutual synonyms
Related pairs
Cite this Source
Sly and Fallacious. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/fallacious/sly
Fallacious & Sly. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/fallacious/sly>.
Sly or Fallacious. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/fallacious/sly.
Google Ngram Viewer shows how "fallacious" and "sly" have occurred on timeline