plural lunacies
1
dated
a
b
: intermittent insanity once believed to be related to phases of the moon
2
: wild foolishness : extravagant folly
3
: a foolish act
Synonyms
Examples of lunacy in a Sentence
Quitting her job was lunacy.
His idea was considered total lunacy.
Recent Examples on the Web
Like Spann, my perception is that the volume of lunacy and hostility was greater than usual.
—Marshall Shepherd, Forbes, 12 Oct. 2024
But legitimate criticism has often been lost in spiteful lunacy.
—Jay Nordlinger, National Review, 10 Oct. 2024
With all this lunacy, your show can also hit tender moments so well — like when Charles and Doreen make amends.
—Jim Halterman, Variety, 8 Oct. 2024
In a market crowded with hundreds of thousands of coins—including those belonging to Azalea and her celebrity peers—meme-coin creators are being driven to stunts of an ever-escalating lunacy to try to get people to choose their coin instead.
—Joel Khalili, WIRED, 12 Sep. 2024
See all Example Sentences for lunacy
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lunacy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1541, in the meaning defined at sense 1a
Dictionary Entries Near lunacy
Cite this Entry
“Lunacy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lunacy. Accessed 31 Oct. 2024.
Kids Definition
Medical Definition
lunacy
noun
lu·na·cy
ˈlü-nə-sē
plural lunacies
dated
: mental illness
also
: intermittent mental illness once believed to be related to phases of the moon
More from Merriam-Webster on lunacy
Nglish: Translation of lunacy for Spanish Speakers
Britannica English: Translation of lunacy for Arabic Speakers
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