Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A psychopathological condition characterized by delusional fantasies of wealth, power, or omnipotence.
  • n. An obsession with grandiose or extravagant things or actions.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A psychopathological condition characterized by delusional fantasies of wealth, power, or omnipotence.
  • n. An obsession with grandiose or extravagant things or actions.

from the GNU version of the Collaborative International Dictionary of English

  • n. A form of mental alienation in which the patient has grandiose delusions.

from The Century Dictionary and Cyclopedia

  • n. A form of insane delusion the subjects of which imagine themselves to be very great, exalted, or powerful personages; the delusion of grandeur.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a psychological state characterized by delusions of grandeur

Etymologies

First attested in 1890, from megalo- + -mania. (Wiktionary)

Examples

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