Definition: an act of great treachery: an act of disloyalty
Word History: It comes from Latin from a word that means "faithless." Judas in his betrayal of Jesus is a famous example of perfidy.
Example Sentence: Perfidy was in his cold, evil mind as he watched the mice approach the narrow, steep stairs that led to the black hole of the dungeon.
Submitted by: Katie from NC, USA on 10/17/2007 10:16