Lunacy /(?)/

Lu·na·cy

Lunacy

n.

pl. Lunacies

  1. Insanity or madness; properly, the kind of insanity which is broken by intervals of reason, -- formerly supposed to be influenced by the changes of the moon; any form of unsoundness of mind, except idiocy; mental derangement or alienation.
    Your kindred shuns your house As beaten hence by your strange lunacy.
  2. A morbid suspension of good sense or judgment, as through fanaticism.