Perfidious and True

Opposite meaning words

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

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True is an antonym for perfidious.

Nearby Words: perfidy, perfidiously

True adjective - Firm in one's allegiance to someone or something.

Usage example: he will be true to his word

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Perfidious is an antonym for true.

Cite this Source

True and Perfidious. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/perfidious/true

Perfidious & True. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/perfidious/true>.

True or Perfidious. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/perfidious/true.

Google Ngram Viewer shows how "perfidious" and "true" have occurred on timeline