Perfidy meaning

pûrfĭ-dē
Frequency:
The definition of a perfidy is a deliberate betrayal.

An example of a perfidy is spreading a best friend's secrets all over town.

noun
6
1
Deliberate breach of faith; calculated violation of trust; treachery.
noun
5
1
The deliberate breaking of faith; betrayal of trust; treachery.
noun
3
0
(law) Specifically, in warfare, an illegitimate act of deception, such as using symbols like the Red Cross or white flag to gain proximity to an enemy for purposes of attack.
noun
2
0
The act or an instance of treachery.
noun
1
3
Advertisement
A state or act of deceit.
noun
0
0
A state or act of violating faith or allegiance; violation of a promise or vow, or of trust reposed; faithlessness; treachery.
noun
0
1

Origin of perfidy

  • Latin perfidia from perfidus treacherous per- to destruction per– fidēs faith bheidh- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin perfidus (“faithless, treacherous, false"), from fides (“faith"); related to, for example, English fidelity.

    From Wiktionary