Word of the Week: perfidy (ˈpər-fə-dē)

Definition

(Noun)

1the quality or state of being faithless or disloyalTREACHERY
2an act or an instance of disloyalty

 

In Context

His descriptions of the perfidy of the British élite have the ring of an insider.

Sam Knight, “How Brexit Will End,” The New Yorker, Oct 30, 2019.