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folie à trois Meaning

Definition and Meaning:

Folie à trois is a French term that translates literally to “madness for three.” It refers to a situation in which three people share a delusional belief or a pathological condition. It is a subset of the more commonly known psychiatric term folie à deux, which involves two individuals.

  1. Psychiatric Context: A shared psychosis or delusional belief among three people.
  2. Social Context: A situation wherein three people become mutually supportive of an irrational belief or behavior.

Origins (Etymology):

The term derives from French, where:

The term first appeared in psychiatric literature in the late 19th century as a way to describe shared psychosis, underscoring its roots in the studies of mental health.

Analysis of Literal and Figurative Uses:

Common Phrases or Idioms Featuring the Term:

Contextual Usage & Example Sentences:

  1. Psychiatric Context: The clinicians identified a folie à trois among the friends, each reinforcing the other’s delusion.
  2. Social Context: The trio’s decision to start a business without any experience turned into a folie à trois as they continued to ignore the risks.
  3. Common Usage: They treated the whole project like a folie à trois, convinced that their plan was flawless despite the obvious flaws.
  4. Academic Context: The study observed a folie à trois among the participants, revealing how group dynamics can exacerbate delusional beliefs.
  5. Informal Context: It felt like a folie à trois when my friends and I decided to impulsively travel during the pandemic.

Usage in Different Contexts:

Synonyms & Antonyms:

Synonyms (similar meanings):

Antonyms (opposite meanings):

Pronunciation & Phonetics:

This transcription indicates how the term is pronounced in standard French, which can also be adapted slightly in English pronunciation.


This detailed exploration provides a thorough understanding of “folie à trois,” encompassing its definitions, contexts, and usages. Please let me know if you need further explanations or more terms to analyze!

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