perfidy /PER-fi-dee/ /ˈpə:fɪdi/. noun. A deliberate betrayal of trust or breach of faith, particularly professing friendship to deceive. More commonly seen in its adjective form perfidious (faithless, deceitful, treacherous). From Latin perfidia (falsehood, treachery), from the phrase per fidem decipere (to deceive through trustingness), from per- (forward, through) + fidem (faith).
[Read more…]








