Fidelity and Perfidy

Opposite meaning words

Fidelity noun - Adherence to something to which one is bound by a pledge or duty.

Usage example: they have never wavered in their fidelity to the cause of freedom

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Perfidy is an antonym for fidelity.

Perfidy noun - Lack of faithfulness especially to one's husband or wife.

Usage example: he decided to forgive his wife's perfidy, choosing to ascribe it to a moment of uncharacteristic weakness

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Fidelity is an antonym for perfidy in topics: treachery, faithlessness.

Nearby Words: perfidious, perfidiously

Cite this Source

Perfidy and Fidelity. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fidelity/perfidy

Fidelity & Perfidy. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fidelity/perfidy>.

Perfidy or Fidelity. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fidelity/perfidy.

Google Ngram Viewer shows how "fidelity" and "perfidy" have occurred on timeline