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View synonyms for lunacy

lunacy

[ loo-nuh-see ]

noun

, plural lu·na·cies.
  1. insanity; mental disorder.

    Synonyms: craziness, aberration, mania, madness, dementia, derangement

    Antonyms: sanity, rationality

  2. intermittent insanity, formerly believed to be related to phases of the moon.

    Antonyms: sanity, rationality

  3. extreme foolishness or an instance of it:

    Her decision to resign was sheer lunacy.

    Synonyms: stupidity, folly

  4. unsoundness of mind sufficient to incapacitate one for civil transactions: a former legal term.


lunacy

/ ˈluːnəsɪ /

noun

  1. (formerly) any severe mental illness
  2. foolishness or a foolish act


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Word History and Origins

Origin of lunacy1

First recorded in 1535–45; lun(atic) + -acy

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Example Sentences

I was never sure whether this was phlegm or the onset of lunacy.

Every one of those theories seems like the kind of googly-eyed lunacy only the fringiest fringe-dwellers would believe.

When that woman is Kate Middleton, debate turns into utter lunacy.

Here are 24 short stories, each quintessentially quirky and, some would think, touched by lunacy.

Sometimes, especially during the Faith years, I felt close to lunacy.

Francis le Moine, an excellent French painter, ran himself through with a sword in a fit of lunacy.

I have been collecting some most valuable information on (looking round at them) lunacy in the—er—county of Devonshire.

But he is quite a Michelet; the general views, and such a piece of character painting, excellent; but his method sheer lunacy.

Our whole scheme of things indeed is so mixed, that the wonder only is we are not all in a state of chronic lunacy.

Lunacy had always been, and remained, a ground of exception from the prohibition to grant outdoor relief.

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Lunaluna moth