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.
Backup catcher Victor Caratini, the only member of Houston’s lineup able to hit left-handed, collected two of the Astros’ five hits against deGrom, who wielded a four-seam fastball that touched 99.2 mph and a slider that bumped 92.1. Chandler Rome, New York Times, 16 May 2025 In a 2-and-1 count, Betts got a fastball over the heart of the plate and drove it deep to the right-center-field gap. Jack Harris, Los Angeles Times, 15 May 2025 With the score tied 5-5 in the bottom of the seventh inning, Tigers designated hitter Kerry Carpenter crushed a high fastball off of Liam Hendriks deep to right-center field. Ryan Canfield, FOXNews.com, 15 May 2025 Cease redux Cease threw a fastball to the center of the strike zone on the second pitch of last night’s game. Kevin Acee, San Diego Union-Tribune, 14 May 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

Browse Nearby Words

Cite this Entry

“Fastball.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fastball. Accessed 20 May. 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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