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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:

After a delay for a PitchCom malfunction, Skubal gave up a leadoff double to Detroit’s Gleyber Torres on a fastball down the middle.

From Los Angeles Times Aug. 29, 2026

Then with two outs, Clark stayed back on an outside fastball and sent it the other way for a triple that drove in the game’s first run.

From Los Angeles Times Aug. 29, 2026

Snell’s outing ended with Dingler waving at an outside fastball for strike three.

From Los Angeles Times Aug. 29, 2026

What the Yankees didn’t foresee was that Schlittler would ultimately gain 8 miles per hour on his average fastball, a remarkable jump from just a couple of years prior.

From The Wall Street Journal Aug. 18, 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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