noun
- deliberate breach of faith or trust; treachery
Usage: formal
Examples
- The ambassador’s perfidy shocked the international community.
- She could never forgive his perfidy in revealing her secrets.
- The general was accused of perfidy for switching sides during the war.
- His perfidy destroyed years of careful diplomatic negotiations.
- The novel explores themes of love, honor, and perfidy.
- They viewed his sudden resignation as an act of perfidy.