# Capgras delusion

> English word · Noun

## Definitions
1. A delusion in which the sufferer believes that a friend, spouse or family member has been replaced by an identical-looking impostor.

## Etymology
After Joseph Capgras (1873-1950), French psychiatrist.

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