noun
- a baseball pitch thrown with little or no spin, causing it to move unpredictably through the air
Usage: baseball
Examples
- The pitcher threw a knuckleball that danced through the strike zone.
- His knuckleball was so unpredictable that even the catcher had trouble handling it.
- She learned to throw a knuckleball by gripping the ball with her fingertips.
- The knuckleball floated toward home plate with an erratic wobble.
- Few pitchers can master the knuckleball because it’s so difficult to control.
- The batter swung and missed at the slow knuckleball.