# delusion of grandeur

> English word · Noun

## Definitions
1. The false belief that one is important or powerful, accompanying certain mental disorders.
2. Conceitedness or overconfidence.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/delusion-of-grandeur