👉 Folie in French means "delusion" or "unconscious mind." It's a mental state characterized by a sudden, irrational, and often delusional belief that is not rational, based on preconceived notions, emotions, or external stimuli. This condition can manifest as hallucinations (unrealized visions), delusions, and bizarre thoughts without any evidence to support them. The term "folie" is used in French literature, psychology, and psychiatry to describe this type of