Confirmed and Perfidious

Confirmed

Confirmed adjective - Being such by habit and not likely to change.

Perfidious is an antonym for confirmed.

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

Confirmed is an antonym for perfidious.

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