ISEE/SSAT Vocabulary BuilderWordsPperfidy
ISEE/SSAThard
perfidy
Meaning: deliberate betrayal of trust; treachery
perfidy in a sentence
How perfidy is used in real sentences:
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.
“Rather than presume perfidy by the supplier, Chen ordered chemical assays and repeated thermal scans.”
— from the passage The Returning Hinge
“By dusk, the story looked less like a smuggler's deceit than official perfidy, for officers entrusted with evidence had altered it to preserve a conviction.”
— from the passage The Weight of Fifteen Years
“She protested, but stopped short of calling the breach perfidy, since that charge would imply compromise was impossible.”
— from the passage The Varen Customs Crisis
Synonyms for perfidy
Other words for perfidy — treachery, betrayal, faithlessness and disloyalty — carry the same meaning.
- treachery
- betrayal
- faithlessness
- disloyalty
Antonyms of perfidy
Words that mean the opposite of perfidy:
- loyalty
- fidelity
- faithfulness
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.