perfidy
noun/ˈpɜːfədi/
/ˈpɜːrfədi/
[uncountable] (literary)- unfair treatment of somebody who trusts you synonym treachery
- In Act 2 he learns of Giovanni’s perfidy and swears revenge.
Word Originlate 16th cent.: via French from Latin perfidia, from perfidus ‘treacherous’, based on per- ‘to ill effect’ + fides ‘faith’.Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
Check pronunciation:
perfidy