Devout and Perfidious

Devout

Devout adjective - Firm in one's allegiance to someone or something.
Usage example: devout Red Sox fans never lost faith during the long World Series drought

Perfidious is an antonym for devout.

Nearby Word: devoutly

Perfidious

Perfidious adjective - Not true in one's allegiance to someone or something.
Usage example: a perfidious campaign worker revealed the senator's strategy to his leading rival for the nomination

Devout is an antonym for perfidious.

Nearby Words: perfidy, perfidiously
Cite this Source
Perfidious and Devout. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/devout/perfidious
Devout & Perfidious. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/devout/perfidious>.
Perfidious or Devout. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/devout/perfidious.
Google Ngram Viewer shows how "devout" and "perfidious" have occurred on timeline