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
Mutual synonyms
Related pairs
- low and nefarious
- low and perfidious
- mean and nefarious
- mean and perfidious
- base and nefarious
- base and perfidious
- corrupt and nefarious
- corrupt and perfidious
- foul and nefarious
- foul and perfidious
- disreputable and nefarious
- disreputable and perfidious
- sinister and nefarious
- sinister and perfidious
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.
Google Ngram Viewer shows how "nefarious" and "perfidious" have occurred on timeline