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mental disorder of such severity as to render its victim incapable of managing his affairs or of conforming to social standards. Today, the term insanity is used chiefly in criminal law, to denote mental aberrations or defects that may relieve a person from the legal
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
an obsolete term for somnambulism, derived from ancient notions concerning the moon’s effect on the mind.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
(formerly) any severe mental illness
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005