FOLIE A DEUX

I. (noun)

Meaning:

The simultaneous occurrence of symptoms of a mental disorder (as delusions) in two persons who are closely related (as siblings or man and wife)

Classified under:

Nouns denoting stable states of affairs

Hypernyms ("folie a deux" is a kind of...):

disturbance; folie; mental disorder; mental disturbance; psychological disorder ((psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness)