“We would talk about the [acting] process endlessly and he was monomaniacal about the work,” she says in the film.
He added that he had “fairly decent, monomaniacal plans to finish [the project] with due care and all-available skill.”
Hysterical, like epileptic, subjects often suffer from melancholia or monomaniacal delirium.
And he was no madman, no victim of a monomaniacal obsession.
All I wanted was to satisfy myself that I was free from a monomaniacal illusion.
monomania mon·o·ma·ni·a (mŏn'ə-mā'nē-ə, -mān'yə)
Pathological obsession with one idea or subject, as in paranoia.