perfidy [noun]

Definition of perfidy:

an act of deliberate betrayal

Synonyms of perfidy:

● Betrayal

● Treachery

● Treason

● Falseness

● Disloyalty

● Perfidiousness

● Faithlessness

● Deceit

● Falsity

● Infidelity

● Treacherousness

● Unfaithfulness


Opposite/Antonyms of perfidy:

● Loyalty

● Honesty

● Fidelity

● Allegiance

● Faithfulness

● Devotion

● Integrity

● Faith

● Fealty

● Truthfulness


Sentence/Example of perfidy:

The king and his mother were mortified by these evidences that their perfidy was suspected.