[ loo-nuh-tik ]
/ ˈlu nə tɪk /
(no longer in technical use; now considered offensive) an insane person.
a person whose actions and manner are marked by extreme eccentricity or recklessness.
a person legally declared to be of unsound mind and who therefore is not held capable or responsible before the law: a former legal term.
adjective Also lu·nat·i·cal [loo-nat-i-kuh l] /luˈnæt ɪ kəl/ (for defs 4, 5, 7).
(no longer in technical use; now considered offensive) insane.
characteristic or suggestive of lunacy; wildly or recklessly foolish.
Older Use. designated for or used by the insane: a lunatic asylum.
gaily or lightheartedly mad, frivolous, eccentric, etc.: She has a lunatic charm that is quite engaging.
Words nearby lunatic
Origin of lunatic
OTHER WORDS FROM lunaticlu·nat·i·cal·ly, adverbhalf-lu·na·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for lunatical
Silly fancies, lunatical, astrological, were not much in his line.Angelot|Eleanor Price
British Dictionary definitions for lunatical
/ (ˈluːnətɪk) /
adjective Also (rarely): lunatical (luːˈnætɪkəl)
an archaic word for insane
foolish; eccentric; crazy
a person who is insane
Derived forms of lunaticlunatically, adverb
Word Origin for lunatic
C13 (adj) via Old French from Late Latin lūnāticus crazy, moonstruck, from Latin lūna moon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012