When it comes to expressing interest in someone or something, there are a variety of ways to do so in English. Instead of using the same phrase "was interested in" over and over again, try incorporating synonyms such as intrigued, fascinated, captivated, absorbed, or engrossed. Other phrases that convey interest include drawn to, attracted to, hooked on, smitten with, or keen on. By using a diverse set of vocabulary to express interest, your writing or conversation will become more engaging and expressive, allowing you to communicate your enthusiasm or curiosity with precision and flair. So, next time you want to express your interest, consider using one of these synonyms for "was interested in".