0 past participle, past simple of jump-start
1 to start a car engine by pushing the car or by using jump leads
2 to improve a situation by taking a particular action:
This jump-started a modeling career which then led him to pursue acting.
The results were infinitely better and jump-started the series in the process.
Her appearances on the show jump-started her career and served as a positive influence for many younger viewers and fans.
At age 28, he jump-started his career by opening a high-end dress shop.
This mechanism is jump-started by certain vaccinations.
