perfidia

Noun feminine C1 #56047 most common

Translations

Refers to deceitfulness or untrustworthiness.

The treachery of his friend surprised him, since he never thought he was capable of betrayal.

La traición de aquel amigo fue tan pérfida que nunca pude confiar en él nuevamente.

The betrayal by that friend was so perfidious that I could never trust him again.