Today's Parola del Giorno is the noun l'idiosincrasía, which means strong dislike or aversion to something.
It is often used with the preposition per and the verb avere: avere un’idiosincrasia per qualcosa (to have an aversion to/dislike for something).
Note that in English, the word idiosyncrasy refers to a peculiar characteristic, trait, or eccentricity…