'Lunacy' definitions:

Definition of 'lunacy'

From: WordNet
noun
Obsolete terms for legal insanity [syn: lunacy, madness, insaneness]
noun
Foolish or senseless behavior [syn: folly, foolery, tomfoolery, craziness, lunacy, indulgence]

Definition of 'Lunacy'

From: GCIDE
  • 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]

Synonyms of 'lunacy'

From: Moby Thesaurus

Words containing 'Lunacy'