Special interest is a concept that refers to a specific topic or area in which an individual has a particular enthusiasm or involvement. There are many synonyms for the phrase "special interest," including areas of focus, hobbies, passions, avocations, areas of expertise, interests, pursuits, areas of specialization, fields of interest, areas of concentration, and preferred subjects. These synonyms all refer to something that a person has a particular interest in, whether it be a hobby, academic field, or particular subject matter. Knowing these synonyms can help expand our vocabulary and provide us with a deeper understanding of the world around us.