Nefarious and Perfidious

Nefarious

Nefarious adjective - Not conforming to a high moral standard; morally unacceptable.

Perfidious and nefarious are semantically related. In some cases you can use "Perfidious" instead an adjective "Nefarious".

Perfidious

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

Nefarious and perfidious are semantically related. Sometimes you can use "Nefarious" instead an adjective "Perfidious".

Nearby Words: perfidy, perfidiously
Cite this Source
Perfidious and Nefarious. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/nefarious/perfidious
Nefarious & Perfidious. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/nefarious/perfidious>.
Perfidious or Nefarious. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/nefarious/perfidious.
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