Usually means: Deliberate breach of faith, trust.
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We found 29 dictionaries that define the word perfidy:

General (25 matching dictionaries)
  1. perfidy: Merriam-Webster.com
  2. perfidy: Oxford Learner's Dictionaries
  3. perfidy: American Heritage Dictionary of the English Language
  4. perfidy: Collins English Dictionary
  5. perfidy: Vocabulary.com
  6. Perfidy, perfidy: Wordnik
  7. perfidy: Cambridge Advanced Learner's Dictionary
  8. perfidy: Wiktionary
  9. perfidy: Webster's New World College Dictionary, 4th Ed.
  10. perfidy: The Wordsmyth English Dictionary-Thesaurus
  11. perfidy: Infoplease Dictionary
  12. Perfidy, perfidy: Dictionary.com
  13. perfidy: Online Etymology Dictionary
  14. Perfidy (book), Perfidy (disambiguation), Perfidy (film), Perfidy: Wikipedia, the Free Encyclopedia
  15. Perfidy: Online Plain Text English Dictionary
  16. perfidy: Webster's Revised Unabridged, 1913 Edition
  17. perfidy: Rhymezone
  18. Perfidy: AllWords.com Multi-Lingual Dictionary
  19. perfidy: Webster's 1828 Dictionary
  20. perfidy: Free Dictionary
  21. perfidy: Mnemonic Dictionary
  22. perfidy: LookWAYup Translating Dictionary/Thesaurus
  23. perfidy: Dictionary/thesaurus

Business (2 matching dictionaries)
  1. Bouvier's Law Dictionary 1856 Edition (No longer online)
  2. perfidy: Legal dictionary

Computing (1 matching dictionary)
  1. perfidy: Encyclopedia

Slang (1 matching dictionary)
  1. Perfidy: Urban Dictionary

(Note: See perfidies as well.)

Definitions from Wiktionary (
)
American English Definition British English Definition
noun:  A state or act of violating faith or allegiance; violation of a promise or vow, or of trust.
noun:  (international law, in warfare) An illegitimate act of deception, such as using symbols like the Red Cross or white flag in a false claim of surrender to gain proximity to an enemy for purposes of attack.
noun:  A state or act of deceit.

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    gray,     black,     dark red,     maroon,     olive, more...



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