Share this entry
folie à deux Line breaks: folie à deux
Pronunciation: /ˌfɒlɪ a ˈdəː/

Definition of folie à deux in English:

noun (plural folies à deux)

[mass noun]
Delusion or mental illness shared by two people in close association: a classic case of folie à deux [count noun]: she entered a folie à deux with her therapist
More example sentences
  • They each reinforce each others insanity - in psychology this is called a folie à deux or a shared madness.
  • As noted above, we could uncover no causative or precipitating emotional or other factors for this folie à deux dissociative disorder.
  • Addicts of flaming folies à deux will be pleased to learn that this season is providing a promisingly thorny set of variations on the theme of really tough love.


French, literally 'shared madness'.

Definition of folie à deux in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources