Per"fi*dy (?), n.; pl. Perfidies (#). [L. perfidia, fr. L. perfidus faithless; per (cf. Skr. para away) + fides faith: cf. F. perfidie. See Faith.]

The act of violating faith or allegiance; violation of a promise or vow, or of trust reposed; faithlessness; teachery.

The ambition and perfidy of tyrants. Macaulay.

His perfidy to this sacred engagement. DeQuincey.

 

© Webster 1913.

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