Definition of lunacy
lunacies
1 dated a : insanity 1b : intermittent insanity once believed to be related to phases of the moon
2 : wild foolishness : extravagant folly
3 : a foolish act
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Examples of lunacy in a Sentence
Quitting her job was lunacy.
His idea was considered total lunacy.
Origin and Etymology of lunacy
lunatic
First Known Use: 1541
Other Psychology Terms
Medical Dictionary
lunacy
playMedical Definition of lunacy
lunacies
dated : mental illness; also : intermittent mental illness once believed to be related to phases of the moon
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Thesaurus: All synonyms and antonyms for lunacy Spanish Central: Translation of lunacy Nglish: Translation of lunacy for Spanish speakers Britannica English: Translation of lunacy for Arabic speakers
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