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 was around 99 mph, 100 mph with lateral movement.
—
Nelson Espinal, MSNBC Newsweek, 18 Oct. 2025
The 31-year-old right-handed pitcher used his cutter, his sweeper, his slider and his heat – a four-seem fastball that touched 100 mph early and remained in the high-90s.
—Mirjam Swanson, Oc Register, 18 Oct. 2025
Misiorowski throws a fastball that touches 104 mph and a slider that sits in the mid-90s.
—Fabian Ardaya, New York Times, 17 Oct. 2025
The flame-throwing righty threw a 104.5 mph fastball to strike out Cubs catcher Carson Kelly.
—Scott Thompson, FOXNews.com, 2 Oct. 2025
See All Example Sentences for fastball
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Nelson Espinal, MSNBC Newsweek, 18 Oct. 2025
The 31-year-old right-handed pitcher used his cutter, his sweeper, his slider and his heat – a four-seem fastball that touched 100 mph early and remained in the high-90s.
—Mirjam Swanson, Oc Register, 18 Oct. 2025
Misiorowski throws a fastball that touches 104 mph and a slider that sits in the mid-90s.
—Fabian Ardaya, New York Times, 17 Oct. 2025
The flame-throwing righty threw a 104.5 mph fastball to strike out Cubs catcher Carson Kelly.
—Scott Thompson, FOXNews.com, 2 Oct. 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 22 Oct. 2025.
Copy CitationKids Definition
fastball
noun
fast·ball
ˈfas(t)-ˌbȯl
: a baseball pitch thrown at full speed
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