noun
- a baseball pitch thrown at high speed with minimal curve or drop
Usage: common in baseball
Examples
- The pitcher threw a fastball right down the middle of the plate.
- She hit the fastball for a home run.
- He's known for his 95-mile-per-hour fastball.
- The batter was expecting a curveball but got a fastball instead.
- A good fastball is one of the most effective pitches in baseball.