We have put together a list of words that are similar to MONOMANIA.

4 Alternative Words Similar to monomania

1 Possession Noun      Synonym Words Like Possession
2 Cacoethes Noun      Synonym Words Like Cacoethes
3 Mania Noun      Synonym Words Like Mania
4 Passion Noun      Synonym Words Like Passion

9 definitions of monomania

1 Derangement of the mind in regard of a single subject only; also, such a concentration of interest upon one particular subject or train of ideas to show mental derangement.
2 a mania restricted to one thing or idea
3 Pathological obsession with one idea or subject.
4 Intent concentration on or exaggerated enthusiasm for a single subject or idea.
5 Insanity in which there is a more or less complete limitation of the perverted mental action to a particular field, as a specific delusion, or an impulse to do some particular thing. The other mental functions may show some signs of degeneration.
6 In popular use, an unreasonable zeal for or interest in some one thing; a craze.
7 Synonyms Lunacy, Derangement, etc. See insanity.
8 Excessive interest or concentration on a singular object or subject.
9 A pathological obsession with one person, thing or idea.
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Wordnik, Wiktionary, Century, American Heritage, Gcide