Thesaurus

idée fixe

noun

Definition of IDÉE FIXE

something about which one is constantly thinking or concerned <had this bizarre idée fixe that people were spying on her with electromagnetic waves>

March 28, 2015
persiflage Hear it
Frivolous bantering talk
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears