ALL meanings of monomaniac
mon·o·ma·ni·a
M m - noun monomaniac (no longer in technical use) a psychosis characterized by thoughts confined to one idea or group of ideas. 1
- noun monomaniac an inordinate or obsessive zeal for or interest in a single thing, idea, subject, or the like. 1
- noun monomaniac A person who is obsessed with a single thing, to the exclusion of other concerns. 1
- noun monomaniac obsessional person 1