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   Lu·na·cy

   /ˈlo͞onəsē/

   

   noun

   • 1. the state of being a lunatic; insanity (not in technical use): "it has been suggested that originality demands a degree of lunacy" Similar insanitymadnessmental illnessderangementdementiadementednessinsanenessloss of reasonunsoundness of mindmental instabilitymaniafrenzypsychosisinformal:crazinessOpposite sanity
   • ▪ extreme folly or eccentricity: "such an economic policy would be sheer lunacy" Similar follyfoolishnessfoolhardinessstupidityidiocyimbecilityirrationalityillogicalitysenselessnessnonsenseabsurdityabsurdnessmadnessinsanitysillinessinanityridiculousnessludicrousnessinformal:crazinessdaftnessOpposite senseprudence

   Word Origin mid 16th century (originally referring to insanity of an intermittent kind attributed to changes of the moon): from lunatic + -acy.

   Scrabble Points: 11

   • L

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   • U

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   • N

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   • A

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   • C

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   • Y

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