megalomania

Megalomania is a crazy hunger for power and wealth, and a passion for grand schemes. Comic book villains often suffer from megalomania. Their plans are thwarted only by superheroes.

Megalomania comes from the Greek megas ("great") and mania ("madness"). It is a madness of greatness, but not a great kind of madness! Megalomaniacs in history: Alexander the Great, Genghis Khan, Napoleon Bonaparte, Josef Stalin, and maybe even the tycoon Donald Trump.

Definitions of megalomania
1

n a psychological state characterized by delusions of grandeur

Type of:
mental disease, mental illness, psychopathy
any disease of the mind; the psychological state of someone who has emotional or behavioral problems serious enough to require psychiatric intervention

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