Definition of idée fixe in English:
noun (plural idées fixes pronounced same)
An idea or desire that dominates the mind; an obsession.
- Every time her image appears in the artist's mind it is accompanied by a musical thought, the famous idée fixe of the symphony.
- History, too, has not been kind to Miller's idées fixes.
- There is no doubt a ‘planning orthodoxy’ which creates idées fixes, which they simply cannot depart from.
French, literally 'fixed idea'.