monomania
Americannoun
-
(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.
noun
Other Word Forms
- monomaniac noun
- monomaniacal adjective
Etymology
Origin of monomania
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Preda likens AI-induced psychosis to monomania, a state of fixation on certain ideas, which he described in a recent article.
From The Wall Street Journal • Dec. 28, 2025
It turns out you can pay a lot for the privilege of real-time “re-enactments,” and he does, commissioning a series of increasingly elaborate set pieces whose pursuit soon curdles into monomania.
From New York Times • Jan. 13, 2024
Money plus monomania can make a guy crazy.
From Washington Post • Feb. 22, 2022
While whiplashing the viewing audience with her concertmaster’s monomania, she overlooks her son’s descent into evilness.
From Los Angeles Times • Jul. 9, 2020
He could be generous and caring to a fault, but he had a darker side as well, characterized by monomania, impatience, and unwavering self-absorption, qualities that seemed to intensify through his college years.
From "Into the Wild" by Jon Krakauer
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
