Duplicitous and Fallacious

Duplicitous

Duplicitous adjective - Given to or marked by cheating and deception.

Fallacious and duplicitous are semantically related. In some cases you can use "Fallacious" instead an adjective "Duplicitous".

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

Duplicitous and fallacious are semantically related. Sometimes you can use "Duplicitous" instead an adjective "Fallacious".

Cite this Source
Fallacious and Duplicitous. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/duplicitous/fallacious
Duplicitous & Fallacious. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/duplicitous/fallacious>.
Fallacious or Duplicitous. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/duplicitous/fallacious.
Google Ngram Viewer shows how "duplicitous" and "fallacious" have occurred on timeline