Synonyms of obsession in English:

obsession


See definition of obsession

noun

1‘the idea grew in his mind until it became an obsession’

SYNONYMS

fixation, consuming passion, ruling passion, passion, mania, idée fixe, compulsion, preoccupation, enthusiasm, infatuation, addiction, fetish, craze, hobby horse

phobia, complex, neurosis

informal bee in one's bonnet, hang-up, thing, bug