Examples from the Web for monomaniacal
He added that he had “fairly decent, monomaniacal plans to finish [the project] with due care and all-available skill.”
“We would talk about the [acting] process endlessly and he was monomaniacal about the work,” she says in the film.
Hysterical, like epileptic, subjects often suffer from melancholia or monomaniacal delirium.Criminal Man|Gina Lombroso-Ferrero
And he was no madman, no victim of a monomaniacal obsession.This Crowded Earth|Robert Bloch
All I wanted was to satisfy myself that I was free from a monomaniacal illusion.
British Dictionary definitions for monomaniacal
Word Origin and History for monomaniacal
"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).