Jumping up is a common phrase that can be used to describe the act of leaping or springing off the ground with force. A few great synonyms for this phrase include bounding, vaulting, hopping, leaping, bouncing, and springing. Each of these words features a unique nuance that can be used to convey a particular type of jumping. For example, bounding typically suggests a graceful and powerful leap, while springing might imply a sudden and forceful jump. By using these synonyms, you can add variety and depth to your writing, bringing to life the action of jumping up in a whole new way.