lunatic
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lu·na·tic
(lo͞o′nə-tĭk)n.
1. A person who is affected by lunacy; a mentally deranged person.
2. A very foolish person.
adj.
1. Affected by lunacy; mentally deranged.
2. Of or for people who are mentally deranged.
3. Wildly or giddily foolish: a lunatic decision.
[Middle English lunatik, from Old French lunatique, from Latin lūnāticus, from lūna, moon (from the belief that madness was influenced by the phases of the moon); see leuk- in Indo-European roots.]
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.
lunatic
(ˈluːnətɪk)adj
1. (Psychiatry) an archaic word for insane
2. foolish; eccentric; crazy
n
(Psychiatry) a person who is insane
[C13 (adj) via Old French from Late Latin lūnāticus crazy, moonstruck, from Latin lūna moon]
luˈnatically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
lu•na•tic
(ˈlu nə tɪk)n.
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.
adj. 4. insane; demented; crazy.
5. wildly or recklessly foolish.
6. designated for or used by the insane: a lunatic asylum.
[1250–1300; Middle English lunatik < Old French lunatique < Late Latin lūnāticus moonstruck, derivative of Latin lūna moon]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Switch to new thesaurus
Noun | 1. | lunatic - an insane person bedlamite - an archaic term for a lunatic pyromaniac - a person with a mania for setting things on fire madwoman - a woman lunatic |
2. | ![]() adventurer, venturer - a person who enjoys taking risks tearaway - a reckless and impetuous person | |
Adj. | 1. | lunatic - insane and believed to be affected by the phases of the moon colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech insane - afflicted with or characteristic of mental derangement; "was declared insane"; "insane laughter" |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
lunatic
noun
1. madman, maniac, psychopath, nut (slang), loony (slang), nutter (Brit. slang), basket case (slang), nutcase (slang), headcase (informal), headbanger (informal) Her son thinks she's a raving lunatic.
adjective
1. mad, crazy, insane, irrational, nuts (slang), barking (slang), daft, demented, barmy (slang), deranged, bonkers (slang, chiefly Brit.), unhinged, loopy (informal), crackpot (informal), out to lunch (informal), barking mad (slang), maniacal, gonzo (slang), up the pole (informal), crackbrained, wacko or whacko (informal) the operation of the market taken to lunatic extremes
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
lunatic
adjective1. Afflicted with or exhibiting irrationality and mental unsoundness:
brainsick, crazy, daft, demented, disordered, distraught, dotty, insane, mad, maniac, maniacal, mentally ill, moonstruck, off, touched, unbalanced, unsound, wrong.
Chiefly British: crackers.
Law: non compos mentis.
Idioms: around the bend, crazy as a loon, mad as a hatter, not all there, nutty as a fruitcake, off one's head, off one's rocker, of unsound mind, out of one's mind, sick in the head, stark raving mad.
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
مَجْنونمَجْنُوُنْ
šílenecšílenýblázen
galningsindssygvanvittig
hullu
luđak
elmebajos
geîsjúklingur
愚人
정신 이상자
galning
คนบ้า
người điên
lunatic
[ˈluːnətɪk]A. N → loco/a m/f
B. ADJ [person] → loco; [plan, scheme] → descabellado; [smile, grin] → de loco
the lunatic fringe → el sector más fanático or radical
the lunatic fringe → el sector más fanático or radical
C. CPD lunatic asylum N → manicomio m
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
lunatic
[ˈluːnətɪk]Collins English/French Electronic Resource. © HarperCollins Publishers 2005
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
lunatic
[ˈluːnətɪk]1. n (idiot) → pazzo/a; (old) (mentally-ill person) → matto/a
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.
lunatic
→ مَجْنُوُنْ blázen galning Wahnsinniger φρενοβλαβής lunático hullu fou luđak stravagante 愚人 정신 이상자 krankzinnige galskap człowiek umysłowo chory lunático сумасшедший galning คนบ้า kaçık người điên 疯子Multilingual Translator © HarperCollins Publishers 2009
lu·na·tic
a. lunático-a, demente, loco-a.
English-Spanish Medical Dictionary © Farlex 2012