Lunacy Lu"na*cy, n.; pl. {Lunacies}. [See {Lunatic}.] 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. --Brande. --Burrill. [1913 Webster]

Your kindred shuns your house As beaten hence by your strange lunacy. --Shak. [1913 Webster]

2. A morbid suspension of good sense or judgment, as through fanaticism. --Dr. H. More.

Syn: Derangement; craziness; mania. See {Insanity}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.


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