ISEE/SSAT Vocabulary Builder›Words›P›perfidy
ISEE/SSAThard
perfidy
deliberate betrayal of trust; treachery
Synonyms
- treachery
- betrayal
- faithlessness
- disloyalty
Antonyms
- loyalty
- fidelity
- faithfulness
perfidy in a sentence
The spy's perfidy shocked friends who had trusted him for years.
Leaking the team's strategy to its rival was an act of perfidy, not a harmless mistake.
Where it comes from
From Latin perfidia 'faithlessness', from perfidus (per- 'away' + fides 'faith').
Memory hook
Perfidy breaks faith; think of a promise perforated with holes.
Read it in context
- The Returning Hinge Science
- The Weight of Fifteen Years Narrative
- The Varen Customs Crisis History