a person afflicted with megalomania.


Also meg·a·lo·ma·ni·a·cal [meg-uh-loh-muh-nahy-uh-kuh l] /ˌmɛg ə loʊ məˈnaɪ ə kəl/, meg·a·lo·man·ic [meg-uh-loh-man-ik] /ˌmɛg ə loʊˈmæn ɪk/. 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 Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for megalomaniac

Contemporary Examples of megalomaniac

  • In the movie, T.E. Lawrence becomes a megalomaniac, a killer, and finally a mystery even to himself.

    The Daily Beast logo
    Spending a Day With Peter O’Toole

    Malcolm Jones

    December 16, 2013

  • Recognizing that Messier was simply a corporate charlatan, Bronfman stepped up and led the charge to remove the megalomaniac.

    The Daily Beast logo
    Music's Misunderstood Genius

    Peter Lauria

    July 4, 2010

  • Leading the megalomaniac set in the NFL is Dallas Cowboys owner, Jerry Jones.

    The Daily Beast logo
    Out-Rushing Rush

    Samuel P. Jacobs

    October 7, 2009

  • Palin is the rare female politician who is as much a megalomaniac as her male peers.

    The Daily Beast logo
    Palin Has Really Gone Rogue

    Michelle Goldberg

    July 2, 2009

Historical Examples of megalomaniac

  • That is the point overlooked by the megalomaniac school of Nietzsche and Shaw.

  • 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.

  • Pascal violently rejected the megalomaniac pride of the Stoic philosopher.

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