Fregoli delusion

noun

The often paranoid delusion that different people are in fact a single person who changes appearance or is in disguise. It may be related to a brain lesion.

Similar
delusion of doublesFregoli syndrome
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Meanings

nounFregoli delusion (plural Fregoli delusions)

plural Fregoli delusions

  1. The often paranoid delusion that different people are in fact a single person who changes appearance or is in disguise. It may be related to a brain lesion.

    Synonyms: delusion of doubles, Fregoli syndrome

Synonyms & antonyms

nounThe often paranoid delusion that different people are in fact a single person who changes appearance or is in disguise. It may be related to a brain lesion.

Similar
delusion of doublesFregoli syndrome

Origin

Named after the Italian actor Leopoldo Fregoli, who was renowned for his ability to make quick changes of appearance during his stage act.

Full word history & related roots →
Cite this entry
APA

Fregoli delusion. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Fregoli%20delusion

MLA

“Fregoli delusion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Fregoli%20delusion. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Fregoli delusion,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Fregoli%20delusion.

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