Unrequited lust can be a painful experience, leaving us feeling unfulfilled and frustrated. However, there are many ways to describe this feeling using different synonyms and expressions. For example, you can say that you have an unreciprocated desire or passion towards someone who does not feel the same way. Alternatively, you can use the words yearning, longing, or craving to express your strong desire for someone. You can also say that you have an unrequited crush on someone or a one-sided infatuation. No matter how you choose to describe it, unrequited lust is a common experience that many people have gone through.