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monomania

[mon-uh-mey-nee-uh, -meyn-yuh] /ˌmɒn əˈmeɪ ni ə, -ˈmeɪn yə/
noun
1.
(no longer in technical use) a psychosis characterized by thoughts confined to one idea or group of ideas.
2.
an inordinate or obsessive zeal for or interest in a single thing, idea, subject, or the like.
Origin of monomania
1815-1825
From New Latin, dating back to 1815-25; See origin at mono-, -mania
Related forms
monomaniac
[mon-uh-mey-nee-ak] /ˌmɒn əˈmeɪ niˌæk/ (Show IPA),
noun
monomaniacal
[mon-uh-muh-nahy-uh-kuh l] /ˌmɒn ə məˈnaɪ ə kəl/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for monomaniac
Historical Examples
  • Had much study made of him a monomaniac babbling in a dream of absurdities?

    The Bacillus of Beauty Harriet Stark
  • "I shall not say anything," said the monomaniac, with a wonderful and peaceful face.

  • I am full of the fellow; a little more, and he'll make a monomaniac of me.

  • "She is a monomaniac on the subject, I should imagine," observed Albert.

    Uncle Terry Charles Clark Munn
  • She became a monomaniac, and of that sort of which rulers of men are made.

    The Threatening Eye Edward Frederick Knight
  • Would not his neighbors regard him as a monomaniac or a simpleton?

  • The elder girl, of about eighteen, was almost a monomaniac upon the war.

    The Secret Service. Albert D. Richardson
  • You shall accept him, she repeated with the insistence of a monomaniac.

  • He became a monomaniac, and worried himself to death on the ground of poverty.

    The Home at Greylock Elizabeth Prentiss
  • "You are just a monomaniac, Rowley, my old man," said Mrs. Morgan.

    Hester, Volume 2 (of 3) Margaret Oliphant
British Dictionary definitions for monomaniac

monomania

/ˌmɒnəʊˈmeɪnɪə/
noun
1.
an excessive mental preoccupation with one thing, idea, etc
Derived Forms
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
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Word Origin and History for monomaniac
n.

1833; see monomania + maniac. Related: Monomaniacal.

monomania

n.

"insanity in regard to a single subect or class of subjects," 1820, probably on model of earlier French monomanie, from Modern Latin monomania, from Greek monos "single, alone" (see mono-) + mania (see mania).

Online Etymology Dictionary, © 2010 Douglas Harper
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monomaniac in Medicine

monomania mon·o·ma·ni·a (mŏn'ə-mā'nē-ə, -mān'yə)
n.
Pathological obsession with one idea or subject, as in paranoia.


mon'o·ma'ni·ac' (-mā'nē-āk') n.
mon'o·ma·ni'a·cal (-mə-nī'ə-kəl) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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