Outshining is a verb that refers to doing something better than someone or something else. Synonyms for this word can include outperforming, excelling, surpassing, dominating, and shining brighter. If you want to convey that someone or something is even more outshining than another, you can use words like outstanding, phenomenal, exceptional, extraordinary, and remarkable. These words suggest that the performance or quality is beyond what is normally expected and truly impressive. Whatever word you choose, using a synonym for outshining can elevate your writing and impress your audience.