Perfidious and Shady

Perfidious

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

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

Nearby Words: perfidy, perfidiously

Shady

Shady adjective - Given to or marked by cheating and deception.
Usage example: a shady business deal

Perfidious and shady are semantically related. Sometimes you can use "Perfidious" instead an adjective "Shady".

Nearby Words: shadow, shade, shaded, shading, shad
Cite this Source
Shady and Perfidious. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/perfidious/shady
Perfidious & Shady. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/perfidious/shady>.
Shady or Perfidious. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/perfidious/shady.
Google Ngram Viewer shows how "perfidious" and "shady" have occurred on timeline