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Synonyms

fastball

American  
[fast-bawl, fahst-] / ˈfæstˌbɔl, ˈfɑst- /

noun

Baseball.
  1. a pitch thrown at or near a pitcher's maximum velocity.


fastball British  
/ ˈfɑːstˌbɔːl /

noun

  1. baseball a ball pitched at the pitcher's top speed

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of fastball

First recorded in 1910–15; fast 1 + ball 1

Vocabulary lists containing fastball

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The Dodgers starter recovered well, striking out Bolte with a 96-mph fastball on the next pitch to end the inning.

From Los Angeles Times Jul. 1, 2026

Then, Ohtani threw a first-pitch fastball inside to Ryan Kreidler.

From Los Angeles Times Jun. 25, 2026

Ohtani roped a first-pitch fastball to right field, clocking an exit velocity of 110.7-mph, into the glove of Twins outfielder Kody Clemens.

From Los Angeles Times Jun. 25, 2026

And Banda struck him out on a fastball that barely clipped the outside corner — and was initially called a ball, before a successful ABS challenge by Twins catcher Victor Caratini.

From Los Angeles Times Jun. 25, 2026

I completely miss one of Cala’s pitches because I mix up the fastball and changeup signals...which gives the Red Devil on third base the perfect opportunity to steal home.

From "Fast Pitch" by Nic Stone

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