delusion of grandeur

noun

The false belief that one is important or powerful, accompanying certain mental disorders.

Meanings

noundelusion of grandeur (plural delusions of grandeur)

plural delusions of grandeur

  1. plural normallyThe false belief that one is important or powerful, accompanying certain mental disorders.

    Synonyms: megalomania

  2. plural normallyConceitedness or overconfidence.

    [A]s Han Solo, always the voice of reason in the series, says, “I'm out of it for a little while, and everyone gets delusions of grandeur.”

    2004, Tom Shone, Blockbuster: How Hollywood Learned to Stop Worrying and Love the Summer, page 285

Synonyms & antonyms

nounThe false belief that one is important or powerful, accompanying certain mental disorders.

Also see

Translations

Arabic جُنُون العَظْمَة
  • جُنُون العَظْمَة (junūn al-ʕaẓma)False belief that one is important or powerful
Chinese Mandarin 自大狂
  • 自大狂 (zìdàikuáng)False belief that one is important or powerful
Finnish suuruudenhulluus
  • suuruudenhulluusFalse belief that one is important or powerful
French folie des grandeurs, mégalomanie
  • folie des grandeursFalse belief that one is important or powerful
  • mégalomanieFalse belief that one is important or powerful
German Größenwahn, Megalomanie
  • GrößenwahnFalse belief that one is important or powerful
  • MegalomanieFalse belief that one is important or powerful
Greek παραλήρημα μεγαλείου, μεγαλομανία
  • παραλήρημα μεγαλείου (paralírima megaleíou)False belief that one is important or powerful
  • μεγαλομανία (megalomanía)False belief that one is important or powerful
Irish mustar gan ghustal
  • mustar gan ghustalFalse belief that one is important or powerful
Norwegian stormannsgalskap
  • stormannsgalskapFalse belief that one is important or powerful
Polish kompleks wyższości, megalomania
  • kompleks wyższościFalse belief that one is important or powerful
  • megalomaniaFalse belief that one is important or powerful
  • mania wielkościFalse belief that one is important or powerful
Portuguese delírio de grandeza, megalomania
  • delírio de grandezaFalse belief that one is important or powerful
  • megalomaniaFalse belief that one is important or powerful
Romanian grandomanie
  • grandomanieFalse belief that one is important or powerful
Russian ма́ния вели́чия
  • ма́ния вели́чия (mánija velíčija)False belief that one is important or powerful
Spanish delirio de grandeza, megalomanía
  • delirio de grandezaFalse belief that one is important or powerful
  • megalomaníaFalse belief that one is important or powerful
Swedish storhetsvansinne
  • storhetsvansinneFalse belief that one is important or powerful
Cite this entry
APA

delusion of grandeur. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/delusion%20of%20grandeur

MLA

“delusion of grandeur.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/delusion%20of%20grandeur. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “delusion of grandeur,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/delusion%20of%20grandeur.

Source: delusion of grandeur on Wiktionary, CC BY-SA 4.0.