folie à deux
[ fo-lee uh doo; French faw-lee a dœ ]
/ fɒˈli ə ˈdu; French fɔ li a ˈdœ /
noun, plural fo·lies à deux [fo-leez uh doo; French faw-lee za dœ] /fɒˈliz ə ˈdu; French fɔ li za ˈdœ/. Psychiatry.
the sharing of delusional ideas by two people who are closely associated.
Origin of folie à deux
Borrowed into English from French around 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for folie a deux
folie à deux
/ (ˈfɒlɪ æ ˈdɜː) /
psychiatry mental illness occurring simultaneously in two intimately related persons who share some of the elements of the illness, such as delusions
Word Origin for folie à deux
French: madness involving two (people)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for folie a deux
folie á deux
[ fô-lē′ ä dœ′, fŏl′ē ]
A condition in which symptoms of a mental disorder occur simultaneously in two individuals who share a close relationship or association.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.