The phrase "a ten" is often used to describe someone who is physically attractive or aesthetically pleasing. However, there are many synonyms that can be used to describe someone who is a ten, including stunning, gorgeous, beautiful, handsome, charming, dazzling, radiant, and alluring. These words all convey a sense of admiration and appreciation for someone's physical appearance. Additionally, other words like impressive, outstanding, exceptional, and remarkable can be used to describe a person who is not only physically attractive but possesses other exceptional qualities as well. Whatever word you choose, it's important to remember that everyone has their own unique beauty and value beyond just their external appearance.