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View synonyms for lunatic

lunatic

[loo-nuh-tik]

noun

  1. (no longer in technical use; now considered offensive) an insane person.

  2. a person whose actions and manner are marked by extreme eccentricity or recklessness.

  3. 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

  1. (no longer in technical use; now considered offensive) insane.

  2. characteristic or suggestive of lunacy; wildly or recklessly foolish.

  3. Older Use.,  designated for or used by the insane.

    a lunatic asylum.

  4. gaily or lightheartedly mad, frivolous, eccentric, etc..

    She has a lunatic charm that is quite engaging.

lunatic

/ ˈluːnətɪk /

adjective

  1. an archaic word for insane

  2. foolish; eccentric; crazy

“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

noun

  1. a person who is insane

“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
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Other Word Forms

  • lunatically adverb
  • half-lunatic adjective
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Word History and Origins

Origin of lunatic1

1250–1300; Middle English lunatik, from Old French lunatique, from Late Latin lūnāticus “moonstruck.” See Luna, -tic ( def. )
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Word History and Origins

Origin of lunatic1

C13 (adj) via Old French from Late Latin lūnāticus crazy, moonstruck, from Latin lūna moon
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The film, brilliantly designed, envisions a near-future in which Manhattan has become a walled-off prison, the island’s borders lethally policed but its interior surrendered to lunatics and criminals.

Matters turn, ahem, even graver when a guard from a nearby lunatic asylum arrives to announce a madman has escaped.

"I think the Colombian authorities, when it comes to, like, the military and the police, are still very pro-American. The only problem in Colombia is a lunatic president," Rubio told reporters.

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"I'm not a lunatic," Bellamy said after topping Wales' Nations League group last year.

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One senior figure sums up the situation with no pleasure – discussion about changing the Labour leader "is both lunatic, and real".

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lunatelunatic asylum