knuckleball.
A pitch thrown with the ball gripped on the fingertips and released with no rotation, which travels over an unpredictable path to the plate due to microturbulence in the air.
Meaning & usage
A pitch thrown with the ball gripped on the fingertips and released with no rotation, which travels over an unpredictable path to the plate due to microturbulence in the air.
Even the pitcher doesn't know where his knuckleball is going.
Boston Red Sox pitcher Tim Wakefield is best known for his use of the knuckleball.
A type of delivery where a fast bowler holds the ball on the knuckles of the index and middle fingers.
An event that is hard to predict.
Our vendor keeps throwing us knuckleballs.
Where this word comes from
From knuckle + ball.
To pitch knuckleballs.
Where this word comes from
From knuckle + ball.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.