Definition of Lunatic
Lunatic
lu·na·tic
Definition/Meaning
(noun)
a person who seems mentally ill (in a nontechnical sense), or a person who is simply very eccentric or foolish;
e.g. He drove like a lunatic and broke several traffic rules.
(adjective)
in old usage, crazy or insane and affected with a mental illness, or designated for the care of such people;
e.g. The house is occupied by a lunatic old man who lives alone.
(adjective)
wildly eccentric or extremely foolish;
e.g. She made the lunatic decision to go on her own despite the danger inherent in her plan.
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