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LUNATIC definition: 1. someone who behaves in a silly or dangerous way: 2. a word for a person who has a mental…. Learn more.
The meaning of LUNATIC is someone affected with a severely disordered state of mind. How to use lunatic in a sentence.
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.
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.
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.
If you describe someone as a lunatic, you think they behave in a dangerous, stupid, or annoying way.
Definition of lunatic noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
