noun
- plural of sparkplug: devices in engines that create electric sparks to ignite fuel
- people who energize or motivate others in a group or organization
Usage: informal
verb
- third person singular present of sparkplug: to energize or lead an effort
Usage: informal
Examples
- The mechanic replaced all four sparkplugs in the car.
- These old sparkplugs were causing the engine to misfire.
- She sparkplugs every committee she joins with her enthusiasm.
- The team’s sparkplugs kept everyone motivated during the project.
- He sparkplugs the fundraising efforts every year.
- Without proper sparkplugs, the lawn mower won’t start.
- The coach identified the sparkplugs on his team early in the season.