home j Sara Visconti jump [juhmp] –verb (used without object) 1. to spring clear of the ground or other support by a sudden muscular effort; leap: to jump into the air; to jump out a window. 2. to rise suddenly or quickly: He jumped from his seat when she entered. 3. to move or jerk suddenly, as from surprise or shock: He jumped when the firecracker exploded. 4. to obey quickly and energetically; hustle: The waiter was told to jump when the captain signaled. 5. Informal. to be full of activity; bustle: The whole town is jumping with excitement. a b c d e f g h i j k l m n o p q r s t u v w x y z janitor jungly jolt jurisdiction jump Jesus