| 单词 | know-nothingness | 
| 释义 | Definition of know-nothingness in English:know-nothingnessnoun ˌnəʊˈnʌθɪŋnɪs 
 OriginMid 19th century. From either know-nothing or know-nothing + -ness. Definition of know-nothingness in US English:know-nothingnessnounˌnəʊˈnʌθɪŋnɪs 
 OriginMid 19th century. From either know-nothing or know-nothing + -ness.  | 
	
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