Dictionary

perfidy

noun per·fi·dy \ˈpər-fə-dē\

: the act of betraying someone or something : the state of not being loyal

plural per·fi·dies

Full Definition of PERFIDY

1
:  the quality or state of being faithless or disloyal :  treachery
2
:  an act or an instance of disloyalty
ADVERTISEMENT

Examples of PERFIDY

  1. A man who built his entire administration upon demanding unctuous loyalty from his allies now finds himself wounded by their shabby betrayal. You'd have to go back to one of Spain's humpbacked Hapsburgs to find court perfidy of the variety that is currently depleting the president's power. —Jack Hitt, Mother Jones, January & February 2006

Origin of PERFIDY

Latin perfidia, from perfidus faithless, from per- detrimental to + fides faith — more at per-, faith
First Known Use: 1592
PERFIDIES Defined for Kids

perfidy

noun per·fi·dy \ˈpər-fə-dē\
plural per·fi·dies

Definition of PERFIDY for Kids

:  treachery 2

Browse

Next Word in the Dictionary: perfilographPrevious Word in the Dictionary: perfidiousAll Words Near: perfidy
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears