egomaniacal

American  

[ee-goh-muh-nahy-i-kuhl, eg-oh-] / ˌi goʊ məˈnaɪ ɪ kəl, ˌɛg oʊ- /

adjective

1. displaying egomania; abnormally or extremely selfish and self-centered, with an excessively high opinion of oneself.

   His followers are eerily similar to those of another egomaniacal psychopath in the 1930s—Adolf Hitler.

   Professor Lang is a vain, strutting buffoon, given to egomaniacal rages and ridiculous posturing.

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Other Word Forms

Derived Forms

• egomaniacally
  adverb

Etymology

Origin of egomaniacal

First recorded in 1895–1900; egomaniac ( def. ) + -al ¹ ( def. )

Example Sentences

Antony Starr brings to life another type of monster: an egomaniacal, king-of-the-world superhero in ‘The Boys.’

From Los Angeles Times • May 21, 2026

Sitting for the “Filmmaker Toolkit” podcast, Eggers joked to host Chris O’Falt, “It feels ugly and blasphemous and egomaniacal and disgusting for a filmmaker in my place to do ‘Nosferatu’ next.”

From Salon • Dec. 24, 2024

“In the hands of a lesser actor, Giorgio could easily come across as a one-dimensional, egomaniacal bully,” says Read.

From Seattle Times • Mar. 23, 2023

“I’m egomaniacal enough to think that if I’m walking around, people will think, ‘Oh there’s Steny Hoyer,’ and the members will be the same, asking ‘What do you think,’” he said.

From New York Times • Dec. 2, 2022

His egomaniacal behaviour and his almost Rousseauesque fear and suspicion of others were only the external manifestations of his inner discrepancies.

From The Case Of Wagner, Nietzsche Contra Wagner, and Selected Aphorisms. by Nietzsche, Friedrich Wilhelm