Insincerity
Insincerity noun - The pretending of having virtues, principles, or beliefs that one in fact does not have.
Perfidious and insincerity are semantically related. In some cases you can use "Perfidious" instead a noun "Insincerity".
Nearby Words: insincere, insincerely
Perfidious
Perfidious adjective - Not true in one's allegiance to someone or something.
Insincerity and perfidious are semantically related. Sometimes you can use "Insincerity" instead a noun "Perfidious".
Nearby Words: perfidy, perfidiously
Mutual synonyms
Cite this Source
Perfidious and Insincerity. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/insincerity/perfidious
Insincerity & Perfidious. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/insincerity/perfidious>.
Perfidious or Insincerity. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/insincerity/perfidious.
Google Ngram Viewer shows how "insincerity" and "perfidious" have occurred on timeline