Mendacious and Perfidious

Mendacious

Mendacious adjective - Telling or containing lies.

Perfidious and mendacious are semantically related. in lying topic. In some cases you can use "Perfidious" instead the word "Mendacious" as an adjective or a noun, when it comes to topics like dishonest.

Nearby Words: mendacity, mendaciously

Perfidious

Perfidious adjective - Not true in one's allegiance to someone or something.

Mendacious and perfidious are semantically related. You can use "Mendacious" instead the word "Perfidious" as an adjective or a noun.

Nearby Words: perfidy, perfidiously
Cite this Source
Perfidious and Mendacious. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/mendacious/perfidious
Mendacious & Perfidious. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/mendacious/perfidious>.
Perfidious or Mendacious. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/mendacious/perfidious.
Google Ngram Viewer shows how "mendacious" and "perfidious" have occurred on timeline