Here is how the Merriam-Webster dictionary defines "Sport". : a contest or game in which people do certain physical activities according to a specific set of rules and compete against each other : sports in general : a physical activity (such as hunting, fishing, running, swimming, etc.) that is done for enjoyment Is Bungee jumping a physical activity? Some would argue that jumping off of a tall structure does not require much exertion. Also, some consider bungee jumping an extreme sport. If it's a sport, do competitions exist?