Devious
Perfidious
Perfidious adjective - Not true in one's allegiance to someone or something.
Devious and perfidious are semantically related in sly topic. Sometimes you can use "Devious" instead the word "Perfidious" as an adjective or a noun, if it concerns topics such as artful, crafty.
Nearby Words: perfidy, perfidiously
Mutual synonyms
Related pairs
Cite this Source
Perfidious and Devious. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/devious/perfidious
Devious & Perfidious. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/devious/perfidious>.
Perfidious or Devious. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/devious/perfidious.
Google Ngram Viewer shows how "devious" and "perfidious" have occurred on timeline