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Definitions

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.

The story relates Laxman’s making as a demagogue, dwelling on the years in which he used his extended family as a kind of training ground for his megalomania.

From The Wall Street Journal • Mar. 11, 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

I break out into this declaration not because of a lurking tendency to megalomania, but, on the contrary, as a man who has no very notable illusions about himself.

From Notes on My Books by Conrad, Joseph

megalomania

Example Sentences

Related Words