| 单词 | perfidity | 
| 释义 | Definition of perfidity in English:perfiditynoun pəˈfɪdɪti 
 OriginEarly 17th century; earliest use found in Edward Topsell (d. 1625), Church of England clergyman and author. From classical Latin perfidus faithless, treacherous + -ity. Compare post-classical Latin perfiditas. Definition of perfidity in US English:perfiditynounpəˈfɪdɪti 
 OriginEarly 17th century; earliest use found in Edward Topsell (d. 1625), Church of England clergyman and author. From classical Latin perfidus faithless, treacherous + -ity. Compare post-classical Latin perfiditas.  | 
	
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