a. raving with madness; raging with disordered intellect; wildly disordered
The doctor's words pained me, but I deserved it, and it wasn't the first time I'd been called maniac depressive by a doctor.
Sentence in Classic:
The maniac figure of the Saxon Ulrica was for a long time visible on the lofty stand she had chosen, tossing her arms abroad with wild exultation, as if she reined empress of the conflagration which she had raised.
She traversed her chamber with the excitement of a furious maniac or of a tigress shut up in an iron cage.
THE THREE MUSKETEERS By Alexandre Dumas Context
All these young, maniacal, puny, merry incoherences lived in harmony together, and the result was an eccentric and agreeable being whom his comrades, who were prodigal of winged consonants, called Jolllly.
Les Misérables (V3) By Victor Hugo Context