monomania
mo-no-ma-ni-a
noun
An excessive preoccupation or obsession with a single idea, subject, or thing.
"His monomania for collecting stamps consumed his life."
Thesaurus
Synonyms: possession
mo-no-ma-ni-a
An excessive preoccupation or obsession with a single idea, subject, or thing.
"His monomania for collecting stamps consumed his life."
Synonyms: possession