fastball
noun
fast·ball
ˈfas(t)-ˌbȯl 
: a baseball pitch thrown at full speed and often appearing to rise slightly as it nears the plate
Examples of fastball in a Sentence
He struck him out with a fastball.
Recent Examples on the Web
His fastball sits between 89 and 92 mph, touching 93.
—
Charlotte Varnes, New York Times, 15 Jan. 2026
Using a devastating curveball and a fastball that sat at 93-94 mph, Zito won the American League Cy Young Award in 2002.
—John Maffei, San Diego Union-Tribune, 11 Jan. 2026
Fairbanks reaches the high 90s on his fastball and also has a hard slider.
—Barry Jackson, Miami Herald, 24 Dec. 2025
In 2023, his average fastball velocity dipped from 93.9 mph to 92.5 mph.
—Justice Delos Santos, Mercury News, 22 Dec. 2025
See All Example Sentences for fastball
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Charlotte Varnes, New York Times, 15 Jan. 2026
Using a devastating curveball and a fastball that sat at 93-94 mph, Zito won the American League Cy Young Award in 2002.
—John Maffei, San Diego Union-Tribune, 11 Jan. 2026
Fairbanks reaches the high 90s on his fastball and also has a hard slider.
—Barry Jackson, Miami Herald, 24 Dec. 2025
In 2023, his average fastball velocity dipped from 93.9 mph to 92.5 mph.
—Justice Delos Santos, Mercury News, 22 Dec. 2025
See All Example Sentences for fastball
Cite this Entry
“Fastball.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fastball. Accessed 21 Jan. 2026.
Copy CitationKids Definition
fastball
noun
fast·ball
ˈfas(t)-ˌbȯl
: a baseball pitch thrown at full speed
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