Flying jump is a term that is generally used to describe a move where a person jumps while in the air. There are several synonyms that could be used to describe this move. One of the most common is the term "leap," which refers to a sudden and often acrobatic movement. Another synonym for a flying jump is "bound," which is a term that refers to a jumping action, especially one done with force and speed. Other synonyms include "spring" and "vault," both of which refer to a quick upward movement that is usually accompanied by a jump. In any case, a flying jump is an impressive and exciting move that requires a great deal of agility and skill.