A doctor was called, and gave the best verdict of monomania that ever sent a man to Charenton.
monomania is a derangement of mind in regard to a single subject only.
"No, it is possible she was the victim of a sort of monomania," conceded Anstice.
You really have a great deal to answer for, in encouraging this kind of monomania.'
It's a monomania with him to think he is possessed of documents.
The monomania of the haunted man gripped him and would not release him.
And then Peter Champneys realized that the French fear hadn't been so much a monomania as a foreknowledge.
I should rather say that his intense folly has taken the form of monomania.
Would my father's monomania account for the fact of my brother's hair turning grey and my mother wasting away to a mere shadow?
I should fall into a monomania, and one of a very loathsome kind.'
monomania mon·o·ma·ni·a (mŏn'ə-mā'nē-ə, -mān'yə)
Pathological obsession with one idea or subject, as in paranoia.