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monomaniac

  • a word derived from monomania.
    monomania
    noun
    (no longer in technical use) a psychosis characterized by thoughts confined to one idea or group of ideas.

Example Sentences

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See Examples For:

I was that bore, that monomaniac, that moralizer—an idealist.

From The New Yorker ● Feb. 8, 2019

Or was it describing vengeance obsessed Rudy Giuliani coached by a naive Bobby Wagner Jr. counseled by the monomaniac passions of a jilted erstwhile Parks Commissioner, Henry Stern, plotting his comeback?

From New York Times ● Nov. 10, 2017

Despite his fervour, anchoritic existence and frequent depiction as one-part Don Quixote, one-part Antoni Gaudí and one-part monomaniac, Gallego is very aware of how he is seen in the town and beyond.

From The Guardian ● Oct. 12, 2017

Chris Christie, who could theoretically be president someday, is a monomaniac.

From Slate ● Jan. 7, 2015

But now I can on the supposition that he don’t know a sane from an insane person, because he has become a monomaniac on this subject, just as Mr. Packard has on the woman question.

From Marital Power Exemplified in Mrs. Packard's Trial, and Self-Defence from the Charge of Insanity by Elizabeth Parsons Ware Packard