sparkplug
/ˈspɑrkplʌɡ/
noun
- A device in an engine that creates a spark to ignite the fuel and start the engine.
- The mechanic replaced the old sparkplug to fix the car's starting problem.
- A dirty sparkplug can cause the engine to run poorly.
- He learned how to check the sparkplug gap during auto shop class.
- A person who is full of energy and inspires others to take action.
- In any group project, he acts as the sparkplug, getting things started.
- She was the sparkplug of the team, always motivating everyone to work harder.
- The new manager became the sparkplug for the company's turnaround.
Synonyms