perfidy
/PUR-fih-dee/noundeceitfulness; untrustworthiness; betrayal
“Selling the plans to a rival was perfidy his partners never forgave.”
- Synonyms
- treachery, betrayal, duplicity
- Antonyms
- loyalty, fidelity
- Root
- fid- (faith)
- Memory hook
- per (through/away) + fid (faith): faith broken through.
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