1. (noun) starting an automobile engine that has a weak battery by means of jumper cables to another car

• jumpstart

2. (verb) start (a car engine whose battery is dead) by connecting it to another car's battery

• jump
• jumpstart

3. (verb) start or re-start vigorously

• jumpstart

1. (noun) starting an automobile engine that has a weak battery by means of jumper cables to another car

• action

2. (verb) start (a car engine whose battery is dead) by connecting it to another car's battery

• start
• start up

3. (verb) start or re-start vigorously

• begin
• commence
• lead off
• start