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
Continue reading … DIAMOND DISASTER — MLB umpire takes 100 mph fastball to the face day after botched call goes viral.
—
FOXNews.com, 2 Apr. 2026
Uniquely armed with three variants of upper-90s fastballs, Schlitter relied heavily on his four-seamer early on before shifting to his sinker and cutter.
—Gary Phillips, New York Daily News, 1 Apr. 2026
Sale, meanwhile, retired the first 11 batters in order before Shea Langeliers took a 1-0 fastball and hit it into the bullpen in left, cutting the A’s deficit in half with two outs in the fourth.
—Chad Bishop, AJC.com, 1 Apr. 2026
Williams completed his night with a perfect seventh, punctuated by striking out Will Smith swinging on an elevated 96 mph fastball.
—ABC News, 1 Apr. 2026
See All Example Sentences for fastball
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FOXNews.com, 2 Apr. 2026
Uniquely armed with three variants of upper-90s fastballs, Schlitter relied heavily on his four-seamer early on before shifting to his sinker and cutter.
—Gary Phillips, New York Daily News, 1 Apr. 2026
Sale, meanwhile, retired the first 11 batters in order before Shea Langeliers took a 1-0 fastball and hit it into the bullpen in left, cutting the A’s deficit in half with two outs in the fourth.
—Chad Bishop, AJC.com, 1 Apr. 2026
Williams completed his night with a perfect seventh, punctuated by striking out Will Smith swinging on an elevated 96 mph fastball.
—ABC News, 1 Apr. 2026
See All Example Sentences for fastball
Cite this Entry
“Fastball.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fastball. Accessed 3 Apr. 2026.
Copy CitationKids Definition
fastball
noun
fast·ball
ˈfas(t)-ˌbȯl
: a baseball pitch thrown at full speed
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