Constancy and Perfidy
Opposite meaning words
Constancy
Constancy noun - Adherence to something to which one is bound by a pledge or duty.
Usage example: soldiers serving with constancy and devotion to country
Perfidy
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
Nearby Words: perfidious, perfidiously
Cite this Source
Perfidy and Constancy. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/constancy/perfidy
Constancy & Perfidy. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/constancy/perfidy>.
Perfidy or Constancy. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/constancy/perfidy.
Google Ngram Viewer shows how "constancy" and "perfidy" have occurred on timeline