LUNACY

folly, foolery, tomfoolery, craziness, lunacy, indulgence

(noun) foolish or senseless behavior

lunacy, madness, insaneness

(noun) obsolete terms for legal insanity

Source: WordNet® 3.1

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Etymology

Noun

lunacy (countable and uncountable, plural lunacies)

(of a person or group of people) The state of being mad, insanity

a cyclical mental disease, apparently linked to the lunar phases

insanity implying legal irresponsibility.

Something deeply misguided.

Synonyms

• (state of being mad): insanity, madness, craziness, craze

Source: Wiktionary

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Lu"na*cy, n.; pl. Lunacies. Etym: [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. Your kindred shuns your house As beaten hence by your strange lunacy. Shak.

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

Syn.

– Derangement; craziness; mania. See Insanity.

Source: Webster’s Unabridged Dictionary 1913 Edition

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