lunacy
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lu·na·cy
(lo͞o′nə-sē)n. pl. lu·na·cies
1.
a. Mental derangement; craziness: "The Indians thought his obsession with giant bones a sign of harmless lunacy" (David Rains Wallace).
b. Archaic Intermittent mental derangement attributed to the changing phases of the moon.
2.
a. Great or wild foolishness: a policy that proved to be a piece of economic lunacy.
b. A wildly foolish or irrational act.
[From lunatic.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
lunacy
(ˈluːnəsɪ)n, pl -cies
1. (Psychiatry) (formerly) any severe mental illness
2. foolishness or a foolish act
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
lu•na•cy
(ˈlu nə si)n., pl. -cies.
1. insanity; mental disorder.
2. intermittent insanity, formerly believed to be related to phases of the moon.
3. extreme foolishness or an instance of it: The decision to resign was sheer lunacy.
4. Law. unsoundness of mind sufficient to incapacitate one for legal transactions.
[1535–45; lun (atic) + -acy]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
lunacy
1. periodic insanity, once thought to be caused by the phases of the moon.
2. any form of insanity. — lunatic, adj.
See also: Insanity2. any form of insanity. — lunatic, adj.
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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Noun | 1. | lunacy - obsolete terms for legal insanity insanity - relatively permanent disorder of the mind |
2. | lunacy - foolish or senseless behavior |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
lunacy
noun
1. foolishness, madness, folly, stupidity, absurdity, aberration, idiocy, craziness, tomfoolery, imbecility, foolhardiness, senselessness the lunacy of the tax system
foolishness reason, sense, prudence
foolishness reason, sense, prudence
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
lunacy
noun1. Serious mental illness or disorder impairing a person's capacity to function normally and safely:
brainsickness, craziness, dementia, derangement, disturbance, insaneness, insanity, madness, mental illness, psychopathy, unbalance.
Psychiatry: mania.
Psychology: aberration, alienation.
2. Foolish behavior:
absurdity, folly, foolery, foolishness, idiocy, imbecility, insanity, madness, nonsense, preposterousness, senselessness, silliness, tomfoolery, zaniness.
Informal: craziness.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
جُنون
šílenství
sindssygevanvid
hulluus
elmebaj
geîveiki
beprotisbeprotybėpamišėlis
liela muļķībavājprāts
delilik
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
lunacy
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
lunacy
(ˈluːnəsi) noun insanity; madness.
ˈlunatic (-tik) adjective, noun (abbreviation (usually unkind) loony (ˈluːni) – plural ˈloonies) (a person who is) insane or crazy. Only a lunatic would do such a thing!
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
lu·na·cy
n. locura, demencia.
English-Spanish Medical Dictionary © Farlex 2012