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megalomania

[meg-uh-loh-mey-nee-uh] / ˌmɛg ə loʊˈmeɪ ni ə /
NOUN
egoism
Synonyms
STRONG
arrogance assurance boastfulness boasting bragging conceit conceitedness egomania egotism gasconade haughtiness insolence narcissism ostentation overconfidence presumption pride self-absorption self-confidence self-importance self-interest self-love self-possession self-regard self-worship selfishness superiority vainglory vanity
WEAK
egocentricity self-admiration swellheadedness vaunting
Antonyms
STRONG
humility meekness modesty shyness timidity
WEAK
altruism selflessness
NOUN
egoism/egotism
Synonyms
WEAK
arrogance assurance boastfulness boasting bragging conceit conceitedness egocentricity egomania gasconade haughtiness insolence narcissism ostentation overconfidence preoccupation with self presumption pride self-absorption self-admiration self-confidence self-importance self-interest self-love self-possession self-regard self-worship selfishness superiority swellheadedness vainglory vanity vaunting
Antonyms
WEAK
altruism humility selflessness
NOUN
self-absorption
Synonyms
STRONGEST
arrogance egotism narcissism self-confidence selfishness
STRONG
assurance boastfulness boasting bragging conceit conceitedness egocentrism egomania gasconade haughtiness insolence ostentation overconfidence presumption pride self-centeredness self-importance self-interest self-love self-possession self-regard self-worship superiority vainglory vanity
WEAK
egocentricity self-admiration self-involvement swellheadedness vaunting
Antonyms
STRONG
humility meekness modesty shyness timidity
NOUN
self-centeredness
Synonyms
STRONG
arrogance assurance boastfulness boasting bragging conceit conceitedness egocentrism egomania egotism gasconade haughtiness insolence narcissism ostentation overconfidence presumption pride self-absorption self-confidence self-importance self-interest self-love self-possession self-regard self-worship selfishness superiority vainglory vanity
WEAK
egocentricity self-admiration self-involvement swellheadedness vaunting
Antonyms
STRONG
humility meekness modesty shyness timidity
NOUN
self-involvement
Synonyms
WEAK
arrogance assurance boastfulness boasting bragging conceit conceitedness egocentricity egocentrism egomania egotism gasconade haughtiness insolence narcissism ostentation overconfidence presumption pride self-absorption self-admiration self-centeredness self-confidence self-importance self-interest self-love self-possession self-regard self-worship selfishness superiority swellheadedness vainglory vanity vaunting
NOUN
vainness
Synonyms
WEAK
amour-propre arrogance assurance boastfulness boasting bragging conceit conceitedness ego egocentricity egoism egomania gasconade haughtiness insolence narcissism ostentation overconfidence presumption pride self-absorption self-admiration self-confidence self-importance self-interest self-love self-possession self-regard self-worship selfishness superiority swellheadedness vainglory vanity vaunting

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He “has mystical tendencies, no common sense, and a Wagnerian taste for heroics and death. He was born loaded with vanities and has developed megalomania as his final decoration.”

From The Wall Street Journal • Jan. 19, 2026

Some superstars hide their megalomania under humility; Williams shields his tenderness with jokes about being a narcissist, only exposing his wounds in his muscular, vulnerable lyrics.

From Los Angeles Times • Dec. 24, 2024

The dictator’s globally ruinous megalomania engendered some internal resistance, and Ulrich von Hassell’s part in the famous assassination plot of July 20, 1944, would land him in Plötzensee Prison in Berlin.

From Seattle Times • Oct. 1, 2023

It’s early days, and it shows: Microsoft’s chatty new Bing beta recently creeped out a New York Times reporter with its megalomania and amorous advances.

From Slate • Mar. 1, 2023

The substance of that wrongness of act and relation which constitutes "sin" is the separation of the individual spirit from the whole; the ridiculous megalomania which makes each man the centre of his universe.

From Practical Mysticism A Little Book for Normal People by Underhill, Evelyn

Vocabulary lists containing megalomania

Ender's Game

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It's Madness!: Mania

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"Simon's Saga," Vocabulary from Episode 36

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