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Definition of: maniac
Our photo definition of maniac 
(mā′nē·ak) adjective 
Having a mania; raving. See synonyms under INSANE. 
—noun A person wildly or violently insane; a madman. [<LL maniacus <L mania MANIA] 
—ma·ni·a·cal (mə·nī′ə·kəl) adjective 
—ma·ni′a·cal·ly adverb
 
				
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