Belly-flopping refers to a painful and unsuccessful dive into water which causes the stomach to collide with the surface. On the other hand, antonyms for belly-flopping may include successful diving techniques such as the swan dive, jackknife, or pike dive. These techniques allow a diver to gracefully enter the water without discomfort or injury. A well-executed dive involves proper form, timing, and height and results in a smooth entry into the water. Antonyms for belly-flopping can also include words or phrases such as successful, graceful, or effortless to describe a successful dive.