Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A condition in which symptoms of a mental disorder, such as the same delusional beliefs or ideas, occur simultaneously in two individuals who share a close relationship or association.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun psychiatry A rare
syndrome in which asymptom ofpsychosis (particularly aparanoid ordelusional belief) istransmitted from one person to another.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[French : folie, madness + à, between + deux, two.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
French folie à deux, "madness of two (people)".
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Examples
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whichbe commented on the word folie à deux
A shared psychosis or delusion, especially one passed from one to another.
May 16, 2008