Paddleboarding is a popular water activity that involves standing on a board and using a paddle to propel yourself across the water. If you're looking to spice up your vocabulary, there are plenty of other words you can use to describe this fun sport. Some synonyms for paddleboarding include stand up paddleboarding, SUP, stand-up surfing, and stand-up paddle surfing. Other variations include river paddleboarding, yoga paddleboarding, and even night paddleboarding (also known as glow paddleboarding). No matter how you choose to describe it, paddleboarding is a great way to enjoy the water and get some exercise in the process.