idée fixe
noun
[ ˌiːdeɪ ˈfiːks ]
• an idea or desire that dominates the mind; an obsession.
Similar:
obsession,
fixation,
ruling/consuming passion,
passion,
mania,
compulsion,
preoccupation,
enthusiasm,
infatuation,
addiction,
fetish,
craze,
hobby horse,
phobia,
complex,
neurosis,
bee in one's bonnet,
hang-up,
thing,
bug,
Origin:
French, literally ‘fixed idea’.
