jump-start

(noun) starting an automobile engine that has a weak battery by means of jumper cables to another car. Synonyms: jumpstart. Example: "My battery was dead so i had to get a jumpstart from my neighbor."

(verb) start (a car engine whose battery is dead) by connecting it to another car's battery. Synonyms: jumpstart, jump.

(verb) start or re-start vigorously. Synonyms: jumpstart. Example: "The secretary of state intends to jumpstart the middle east peace process."