• jumpstart,jump start

jump-start (third-person singular simple presentjump-starts,present participlejump-starting,simple past and past participlejump-started)

1. (transitive) To start amotor vehicle by passing anelectrical current from achargedbattery to the discharged ("dead" or "flat") battery of the vehicle being started, by usingbooster cables to temporarily connect the two batteries inparallel, or by using ahotshot.

   Synonym:boost

2. (transitive,figuratively) Toreactivate orrejuvenate.

   Synonyms:boost,reactivate,kick start

   Giving a really good speech at the convention couldjump-start her political career.

   • 2022,NoViolet Bulawayo,Glory, Chatto & Windus, page262:

     ‘That debt means we can’t access credit tojump-start the economy as needed.’

jump-start (pluraljump-starts)

1. Theprocess orresult of jump-starting a motor vehicle.

   I left my headlights on all night. Could you give me ajump-start?

2. (sports) Afalse start.

   Synonyms:jumped start,jumped-start,false start,flier,flyer

• jumper cable

•  jump start on Wikipedia.Wikipedia