1. a person who drives or moves very fast
Usage: informal
2. a fast car or vehicle designed for high speed
Usage: informal

Examples

• The young speedster raced down the highway at 90 mph.
• He’s known as a speedster on the track team.
• That red speedster can go from 0 to 60 in under four seconds.
• The police caught the speedster weaving through traffic.
• She bought a sleek speedster for weekend drives.
• The speedster won every race this season.