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.
Burger, a fastball hunter, got a 1-0 97 mph fastball at the top of the zone and made hard contact. Evan Grant, Dallas Morning News, 6 Mar. 2026 Gil also admitted to taking some zip off his fastball at times in an effort to find the strike zone last season. Gary Phillips, New York Daily News, 5 Mar. 2026 Pomeranz found that success once his fastball returned between 92 and 93 mph last season. Doug Padilla, Oc Register, 5 Mar. 2026 The benches and bullpens emptied after Wrobleski hit Giménez on the hand with a fastball in the fourth, and the crowd roared when George Springer followed with a single off Wrobleski’s leg. Tyler Kepner, New York Times, 4 Mar. 2026 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 12 Mar. 2026.

Kids Definition

fastball

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

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