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
Abreu then doubled his country’s lead two innings later with his second home run of the tournament, crushing a middle-middle fastball from United States starting pitcher Nolan McLean and sending it 414 feet to center field.
—
Jordan McPherson, Miami Herald, 18 Mar. 2026
Miller had Monday off after throwing 22 pitches in the ninth inning of Sunday’s 2-1 win over the Dominican Republic, when his fastball averaged 101 mph.
—Ronald Blum, Chicago Tribune, 18 Mar. 2026
The next pitch was a fastball right down the middle and Harper put his best swing on it.
—Scott Thompson, FOXNews.com, 18 Mar. 2026
Pivetta gets about 20 inches of rise on his four-seam fastball.
—Jeff Sanders, San Diego Union-Tribune, 18 Mar. 2026
See All Example Sentences for fastball
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.
Jordan McPherson, Miami Herald, 18 Mar. 2026
Miller had Monday off after throwing 22 pitches in the ninth inning of Sunday’s 2-1 win over the Dominican Republic, when his fastball averaged 101 mph.
—Ronald Blum, Chicago Tribune, 18 Mar. 2026
The next pitch was a fastball right down the middle and Harper put his best swing on it.
—Scott Thompson, FOXNews.com, 18 Mar. 2026
Pivetta gets about 20 inches of rise on his four-seam fastball.
—Jeff Sanders, San Diego Union-Tribune, 18 Mar. 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 22 Mar. 2026.
Copy CitationKids Definition
fastball
noun
fast·ball
ˈfas(t)-ˌbȯl
: a baseball pitch thrown at full speed
Love words? Need even more definitions?
Merriam-Webster unabridged
