- (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.
Origin of monomania
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for monomania
"There are no limits to the possibilities of monomania," I answered.The Return of Sherlock Holmes
Arthur Conan Doyle
Monomania is a derangement of mind in regard to a single subject only.Orthography
Elmer W. Cavins
I understand that this becomes a monomania with a woman who lives in a rented house.The House
"No, it is possible she was the victim of a sort of monomania," conceded Anstice.Afterwards
You really have a great deal to answer for, in encouraging this kind of monomania.''That Very Mab'
May Kendall and Andrew Lang
- an excessive mental preoccupation with one thing, idea, etc
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
Word Origin and History for monomania
Online Etymology Dictionary, © 2010 Douglas Harper
- Pathological obsession with one idea or subject, as in paranoia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.