(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
Each of them had his monomania; and the two monomaniac suited each other perfectly.The History of England from the Accession of James II. | Thomas Babington Macaulay
monomania as a defense for crime has brought expert evidence into great disrepute.Essays In Pastoral Medicine | Austin Malley
The word monomania has been an unfortunate one for scientific psychiatry, because it has been abused to shield criminals.Essays In Pastoral Medicine | Austin Malley
monomania is sometimes simply the exaggerated regard to one side of many-sided truth.Chambers's Edinburgh Journal, No. 451 | Various
Hence we must distinguish between mere eccentricity and monomania.The Curiosities and Law of Wills | John Proffatt
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