Perfidious
Perfidious adjective - Not true in one's allegiance to someone or something.
Vipery and perfidious are semantically related In some cases you can use "Vipery" instead an adjective "Perfidious".
Nearby Words: perfidy, perfidiously
Vipery
Perfidious and vipery are semantically related in devious topic. You can use "Perfidious" instead an adjective "Vipery".
Cite this Source
Vipery and Perfidious. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/perfidious/vipery
Perfidious & Vipery. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/perfidious/vipery>.
Vipery or Perfidious. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/perfidious/vipery.
Google Ngram Viewer shows how "perfidious" and "vipery" have occurred on timeline