Meaning of the word perfidy in English

What does perfidy mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

perfidy

US /ˈpɝː.fə.di/
UK /ˈpɜː.fɪ.di/

Noun

the state of being deceitful and untrustworthy

Example:
His act of perfidy shocked everyone who trusted him.
The general was accused of perfidy for betraying his country.