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

• egomaniacally adverb

Etymology

Origin of egomaniacal

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

Example Sentences

My ex is an egomaniacal actor who once said, “I think I’d like you more if you were repped by a reputable agency like CAA.”

From Los Angeles Times • Jul. 11, 2025

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

He doesn’t take his craft or himself too seriously: In a span of less than 30 minutes, he tells me that he’s ignorant, frail, terrified, egomaniacal, terrible, rage-filled and vain.

From New York Times • Dec. 4, 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

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