| 单词 | lunatic | 
| 释义 | Word Frequency lunatic(ˈluːnətɪk) adjective  also (rarely): lunatical (luːˈnætɪkəl) 1.   an archaic word for insane  2.  foolish; eccentric  noun 3.  old-fashioned a person who is insane  Derived forms lunatically (luˈnatically) adverb Word origin C13 (adj) via Old French from Late Latin lūnāticus crazy, moonstruck, from Latin lūna moon | 
	
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