double jump noun 2verb 1forms 3 noun2 •A second jump executed while still in midair from the first jump.A well-timed double jump will let you skip this obstacle entirely. •A jump that involves two or two-and-a-half rotations in the air. verb1 •To execute a second jump while still in midair from the first jump.The rocket pack upgrade lets you double jump. formsdouble jumped · double jumping · double jumps