halflunatic

lunatic

[loo-nuh-tik]
noun
1.
an insane person.
2.
a person whose actions and manner are marked by extreme eccentricity or recklessness.
3.
Law. a person legally declared to be of unsound mind and who therefore is not held capable or responsible before the law.
adjective Also, lunatical [loo-nat-i-kuhl] , (for defs 4, 5, 7).
4.
insane; demented; crazy.
5.
characteristic or suggestive of lunacy; wildly or recklessly foolish.
6.
designated for or used by the insane: a lunatic asylum.
7.
gaily or lightheartedly mad, frivolous, eccentric, etc.: She has a lunatic charm that is quite engaging.

Origin:
1250–1300; Middle English lunatik < Old French lunatique < Late Latin lūnāticus moonstruck. See Luna, -atic

lunatically, adverb
half-lunatic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
lunatic (ˈluːnətɪk)
 
adj
1.  an archaic word for insane
2.  foolish; eccentric; crazy
 
n
3.  a person who is insane
 
[C13 (adj) via Old French from Late Latin lūnāticus crazy, moonstruck, from Latin lūna moon]
 
lu'natically
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

lunatic
late 13c., "affected with periodic insanity, dependent on the changes of the moon," from O.Fr. lunatique "insane," from L. lunaticus "moon-struck," from luna "moon" (see luna). Cf. O.E. monseoc "lunatic," lit. "moon-sick;" M.H.G. lune "humor, temper, mood, whim, fancy" (Ger.
Laune), from L. luna. Cf. also N.T. Gk. seleniazomai "be epileptic," from selene "moon." The noun meaning "lunatic person" is first recorded late 14c. Lunatic fringe (1913) was apparently coined by U.S. politician Theodore Roosevelt. Lunatic soup (1933) was Australian slang for "alcoholic drink."
Online Etymology Dictionary, © 2010 Douglas Harper
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Easton
Bible Dictionary

Lunatic definition


probably the same as epileptic, the symptoms of which disease were supposed to be more aggravated as the moon increased. In Matt. 4:24 "lunatics" are distinguished from demoniacs. In 17:15 the name "lunatic" is applied to one who is declared to have been possessed. (See DAEMONIAC.)

Easton's 1897 Bible Dictionary
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