Meanings
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1
noun
Excessive or unreasonable desire; insane passion affecting one or many people; fanaticism.
One of the manias of the present day, which especially excites my spleen, is the locomotive rage which seems to possess all ranks—that necessity of going out of town in the summer...
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2
noun
an irrational but irresistible motive for a belief or action
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3
noun
a mood disorder
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4
noun
Violent derangement of mind; madness; insanity.
Thesaurus
Etymology
Borrowed from Latin mania, from Ancient Greek μανία (manía, “madness”).