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.
The lanky righty has steadily gained fastball velocity since the Red Sox drafted him at age 17 in 2021. John Yoo and John Shu, Newsweek, 24 Jan. 2025 His fastball velocity dropped to a career-low 93.6 mph last season after hovering in the 95-96 mph range for much of his career. Patrick Mooney, The Athletic, 23 Jan. 2025 The right-hander has relied on remarkable velocity, his fastball clocking in at a peak of 102.5 mph. Jamie Barton, CNN, 23 Jan. 2025 The diminished speed on his fastball began in 2013 when his 4.78 was his second-highest in any non-injury season. Larry Fleisher, Forbes, 22 Jan. 2025 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

Dictionary Entries Near fastball

Cite this Entry

“Fastball.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fastball. Accessed 1 Feb. 2025.

Kids Definition

fastball

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

More from Merriam-Webster on fastball

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!