The antonyms of the phrase "made jump" could be words like prevented, discouraged, stalled, hampered, or hindered. These words imply a lack of progress or success, in contrast to the idea of jumpstarting something. For example, if someone prevented a plan from progressing, they essentially stopped it before it could gain momentum. Similarly, if someone discouraged someone else from pursuing a goal, they may have prevented them from taking the first step or making a jump towards achieving it. The antonyms for "made jump" can therefore convey the idea of hindrance, obstruction, or a lack of progress, depending on the context.