'Monomaniacal' definitions:
Definition of 'monomaniacal'
From: WordNet
adjective
Obsessed with a single subject or idea
Definition of 'Monomaniacal'
From: GCIDE
- Monomaniac \Mon`oma"ni*ac\, Monomaniacal \Mon`oma"ni*a*cal\, a. [Cf. F. monomaniaque.] Affected with monomania, or partial derangement of intellect; caused by, or resulting from, monomania; as, a monomaniacal delusion. [1913 Webster]