[ee-day-FEEKS]
noun
An idea that dominates the mind; a fixed idea; an obsession.
My neighbor dwelt on the idee fixe that the government wanted to castrate him so he killed his family and torched his house.
Cite this Entry
Modern Language Association (MLA Style)
Idee fixe. The Effin Word, The Effin Word, https://effinwords.com/dictionary/idee-fixe. Accessed 18 May 2026.
The Chicago Manual of Style (Chicago Style)
The Effin Word, s.v. idee fixe, accessed May 18, 2026, https://effinwords.com/dictionary/idee-fixe.
American Psychological Association (APA Style)
The Effin Word. (n.d.). Idee fixe. In The Effin Word. Retrieved May 18, 2026, from https://effinwords.com/dictionary/idee-fixe