(no longer in technical use) a psychosis characterized by thoughts confined to one idea or group of ideas.
an inordinate or obsessive zeal for or interest in a single thing, idea, subject, or the like.
- mon·o·ma·ni·ac [mon-uh-mey-nee-ak], /ˌmɒn əˈmeɪ niˌæk/, noun
- mon·o·ma·ni·a·cal [mon-uh-muh-nahy-uh-kuhl], /ˌmɒn ə məˈnaɪ ə kəl/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use monomania in a sentence
He added that he had “fairly decent, monomaniacal plans to finish [the project] with due care and all-available skill.”
Like Gates, Zuckerberg has infinite wealth, and he seems monomaniacal in his desire to see Facebook beat back any and all rivals.Going Public, Facebook Will Make Mark Zuckerberg at Least $21 Billion | Gary Rivlin | February 3, 2012 | THE DAILY BEAST
“We would talk about the [acting] process endlessly and he was monomaniacal about the work,” she says in the film.
And he was no madman, no victim of a monomaniacal obsession.This Crowded Earth | Robert Bloch
All I wanted was to satisfy myself that I was free from a monomaniacal illusion.
British Dictionary definitions for monomania
an excessive mental preoccupation with one thing, idea, etc
- monomaniac, noun, adjective
- monomaniacal (ˌmɒnəʊməˈnaɪəkəl), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012