- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for megalomaniacal
And Downey is at his sarcastic, vulnerable, and megalomaniacal best in Iron Man 3.‘Iron Man 3,’ Starring Robert Downey Jr., Is Loud, Quippy, Ridiculous Fun
May 1, 2013
She burns through staffers and appears to have a megalomaniacal sense of her own destiny.Did Sexism Do Michele Bachmann In?
January 5, 2012
Spacey makes Abramoff an enormously appealing rage-filled, thieving, megalomaniacal sociopath.
But Spacey makes Abramoff an enormously appealing, rage-filled, thieving, megalomaniacal sociopath.
Word Origin and History for megalomaniacal
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