Pronunciation: /ˈpɜːrfɪdi/
noun the quality or state of being deceitful or untrustworthy
A1 Betrayal is a form of perfidy.
A2 The character in the story showed perfidy by deceiving his friends.
B1 The perfidy of the politician was revealed when his corrupt actions came to light.
B2 The company's perfidy in covering up the safety issues led to a public outcry.
C1 The perfidy of the spy was so intricate that it took years to uncover.
C2 The perfidy of the CEO was exposed in a scandal that rocked the business world.
formal The perfidy of the defendant was evident in the court's ruling.
informal I can't believe the perfidy of my so-called friend.
slang That dude's perfidy knows no bounds.
figurative The perfidy of the storm left a path of destruction in its wake.
perfidied
perfidies
more perfidious
most perfidious
perfidies
will perfidy
have perfidied
is perfidying
perfidy
perfidy
to perfidy
perfidying
perfidied