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n. Baseball
A pitch thrown at the pitcher's maximum speed.


(Baseball) baseball a ball pitched at the pitcher's top speed


(ˈfæstˌbɔl, ˈfɑst-)

a baseball pitch thrown at or near a pitcher's maximum velocity.
[1900–05, Amer.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fastball - (baseball) a pitch thrown with maximum velocityfastball - (baseball) a pitch thrown with maximum velocity; "he swung late on the fastball"; "he showed batters nothing but smoke"
pitch, delivery - (baseball) the act of throwing a baseball by a pitcher to a batter
slider - a fastball that curves slightly away from the side from which it was thrown
baseball, baseball game - a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs; "he played baseball in high school"; "there was a baseball game on every empty lot"; "there was a desire for National League ball in the area"; "play ball!"
References in periodicals archive ?
I struck out 2,400 hitters, and I guarantee you I struck out more than 1,800 with high fastballs," Tiant says.
Last week, Darvish threw 15 fastballs in the first inning with 10 of them missing the strike zone.
But if the pitcher avoids throwing breaking balls altogether, the batter can anticipate fastballs exclusively, increasing his ability to record a hit, which scores the runner anyway.