megalomania

Definition

A psychopathological condition characterized by delusional fantasies of wealth, power, or omnipotence.

Etymology

Borrowed from French mégalomanie; equivalent to megalo- + -mania.

Example Sentences

• "As to Ernest... He is quite as nervously broken down as I am but it manifests itself in different ways. His inclination is towards megalomania and mine towards melancholy."