Solution

" Fascination " refers to a strong interest or attraction to something. Its antonym would be a term that conveys a lack of interest or engagement. (1) Curiosity: This is related to interest but does not directly oppose "fascination." (2) Enthusiasm: This denotes a strong interest or excitement, which is similar in meaning to "fascination." (4) Attraction: This is similar in meaning to "fascination," as both involve strong interest or appeal. Thus, "disinterest" is the best antonym for "fascination," as it signifies a lack of interest or engagement.