jumpjump1 /dʒʌmp/ ●●● verb 1UP [intransitive, transitive] to push yourself suddenly up in the air using your legs, or to go across or over something by doing this: A fan tried to jump onto the stage. Lyle was jumping up and down (=jumping many times) and waving his arms.THESAURUSskip – to move forward with little jumps between your stepshop – to move around by jumping on one legleap – to jump high into the air or over somethingspring – to jump or move suddenly and quickly in a particular directionhurdle – to jump over something while runningdive – to jump into water with your head and arms firstvault – to jump over something in one movement, using your hands or a pole to help you2DOWN [intransitive] to let yourself drop from a place that is above the ground: During the fire, two people jumped out of a window.3MOVE FAST [intransitive] to move quickly or suddenly in a particular direction: Paul jumped up to answer the door.4IN SURPRISE/FEAR [intransitive] to make a sudden movement because you are surprised or frightened: The sudden ring of the telephone made us jump.5INCREASE [intransitive] if a number or amount jumps, it increases suddenly and by a large amount: Profits jumped 20% last month.6jump down somebody’s throat informal to suddenly speak angrily to someone: All I did was ask a question, and he jumped down my throat!7jump to conclusions to form an opinion about something before you have all the facts8jump the gun to start doing something too soon: I know you wanted to tell Bill the news yourself, but I’m afraid I jumped the gun.jump at phrasal verb to eagerly accept the chance to do something: Ruth jumped at the chance to study at Harvard.jump on phrasal verb informal to criticize or punish someone, especially unfairly: Dad jumps on Jeff for every little mistake.