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- Dictionarylunatic/ˈluːnətɪk/
noun
- 1. a person who is mentally ill (not in technical use). Similar
adjective
- 1. mentally ill (not in technical use): "a ward of lunatic old ladies" Similar Opposite
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1. a. dated, now offensive : affected with a severely disordered state of mind. b. dated, now offensive : providing care to mentally ill people. a lunatic asylum. 2. informal : wildly foolish. a lunatic idea. lunatic behavior. Synonyms. Adjective. balmy. barmy [ chiefly British] bats. batty. bedlam. bonkers.
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. (no longer in technical use; now considered offensive) insane.
LUNATIC definition: 1. someone who behaves in a silly or dangerous way: 2. a word for a person who has a mental…. Learn more.
Definition of lunatic noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
A lunatic is someone who is either clinically insane or just acting really crazy. Someone driving too fast and zigging in and out of traffic is driving like a lunatic. The root of this word is luna, which means moon.
If you describe someone's behaviour or ideas as lunatic, you think they are very foolish and possibly dangerous. [disapproval] ...the operation of the market taken to lunatic extremes. ...a country spurned until now by all except the more lunatic of journalists and adventurers.
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.
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.
Lunatic definition: A person who is affected by lunacy; a mentally deranged person.
1. If you describe someone as a lunatic, you think they behave in a dangerous, stupid, or annoying way. [informal, disapproval] [...] 2. If you describe someone's behaviour or ideas as lunatic, you think they are very foolish and possibly dangerous. [disapproval] [...] 3.