fastball

noun

fast·​ball ˈfas(t)-ˌbȯl How to pronounce fastball (audio)
: a baseball pitch thrown at full speed and often appearing to rise slightly as it nears the plate
fastballer noun

Examples of fastball in a Sentence

He struck him out with a fastball.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Estévez leans heavily on a 97-mph fastball and complements it with a slider and the occasional changeup. Tim Britton, The Athletic, 21 Feb. 2025 Miller, 25, was hit in the head when Cubs first baseman Michael Busch hit a 105.5 mph fastball during the third inning. Charna Flam, People.com, 21 Feb. 2025 On just his seventh pitch, Chicago pitcher Cody Poteet threw a 95 mph fastball low and in to Max Muncy, and it was originally called a ball. Ryan Morik, Fox News, 20 Feb. 2025 Last season, Harrison’s average fastball velocity was down to 92.5 mph, fading as the season went along. Justice Delos Santos, The Mercury News, 19 Feb. 2025 See All Example Sentences for fastball

Word History

First Known Use

1883, in the meaning defined above

Time Traveler
The first known use of fastball was in 1883

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Cite this Entry

“Fastball.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fastball. Accessed 3 Mar. 2025.

Kids Definition

fastball

noun
fast·​ball ˈfas(t)-ˌbȯl How to pronounce fastball (audio)
: a baseball pitch thrown at full speed

More from Merriam-Webster on fastball

Last Updated: - Updated example sentences
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