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[meg-uh-loh-mey-nee-ak] /ˌmɛg ə loʊˈmeɪ niˌæk/
a person afflicted with megalomania.
Also, megalomaniacal
[meg-uh-loh-muh-nahy-uh-kuh l] /ˌmɛg ə loʊ məˈnaɪ ə kəl/ (Show IPA),
[meg-uh-loh-man-ik] /ˌmɛg ə loʊˈmæn ɪk/ (Show IPA)
. of, relating to, or suggesting megalomania or a person who is afflicted with it.
Origin of megalomaniac
First recorded in 1885-90; megalo- + maniac Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for megalomaniac
Contemporary Examples
Historical Examples
  • That is the point overlooked by the megalomaniac school of Nietzsche and Shaw.

    War and the Future H. G. Wells
  • But whisky transformed him from a twitching neurotic into a megalomaniac.


    M. Leonora Eyles
  • He knew that megalomaniac Controllers were either captured or mobbed, and he had no wish to experience either.

    The Penal Cluster Ivar Jorgensen (AKA Randall Garrett)
  • Mark Twain was a megalomaniac; only a megalomaniac could have advertised, as he did, for post-mortem obituaries of himself.

    The Ordeal of Mark Twain Van Wyck Brooks
  • Pascal violently rejected the megalomaniac pride of the Stoic philosopher.

    The Enchiridion Epictetus
  • Both worlds are egocentric, megalomaniac, filled to the full with unbridled human will and desire.

    Darwin and Modern Science A.C. Seward and Others
Word Origin and History for megalomaniac

1882 (n.), 1883 (adj.), from megalomania (q.v.).

The megalomaniac differs from the narcissist by the fact that he wishes to be powerful rather than charming, and seeks to be feared rather than loved. To this type belong many lunatics and most of the great men of history. [Bertrand Russell, "The Conquest of Happiness"]

Online Etymology Dictionary, © 2010 Douglas Harper
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