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.

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

He added: “Ultimately I knew it was Cannes’ setting — more than a match for his own megalomania — that would convince him to come.”

From Seattle Times • May 15, 2024

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

It is a megalomania, a sublime self-deception, a heroic attempt to project the soul on to the side of destiny, and to believe ourselves the masters of those very powers which have overwhelmed us.

From Aspects of Literature by Murry, J. Middleton

megalomania

Example Sentences

Related Words