fast·​ball | \ˈfas(t)-ˌbȯl \

Definition of fastball 

: a baseball pitch thrown at full speed and often appearing to rise slightly as it nears the plate

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Other Words from fastball

fastballer \ ˈfas(t)-​ˌbȯ-​lər \ noun

Examples of fastball in a Sentence

He struck him out with a fastball.

Recent Examples on the Web

In 2001, according to Fangraphs, the average major league fastball was 89.0 miles per hour. Alex Speier,, "What’s up with all the strikeouts in Major League Baseball?," 12 July 2018 The club ranks second-to-last in the majors in both strikeouts per nine innings (7.8) and average fastball velocity (92.3 mph). Nick Piecoro, azcentral, "Diamondbacks taxing bullpen but still getting results," 11 July 2018 My fastball velocity has taken a huge jump in the last year (from 88 to 93-94). ... John Maffei,, "La Costa Canyon star Jones excited about All-American Classic at Petco," 10 July 2018 His fastball velocity continued to trend upward, throwing a four-seamer that averaged 94.2 mph and reached 96.1 mph. Eduardo A. Encina,, "Early Orioles notes: Mike Wright on the right path as reliever; Mancini gets day off," 7 July 2018 What’s more, his velocity has bounced back, with his average fastball velocity eclipsing 95 mph in the four games. Michael Beller,, "Matt Adams is Back from the DL and Ready to Help Fantasy Teams," 7 July 2018 While there was nothing noticeably amiss with Chen physically or his fastball velocity,Mattingly apparently figured the pitcher had hit a wall. Clark Spencer, miamiherald, "The hook comes out fast for Wei-Yin Chen as Marlins drop third straight," 1 June 2018 His average fastball velocity is the lowest of his career, leaving the slow delivery of his 6-5 frame more vulnerable to speedy runners. Hunter Atkins, Houston Chronicle, "Astros give Justin Verlander run support, win over Giants," 23 May 2018 That brought up Bird, who sized up a 2-2 fastball from Cashner that ran over the inside part of the plate and clubbed it far above the right-field scoreboard. New York Times, "Loss to Orioles Offers Yankees a Glimpse of What They Could Acquire," 10 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fastball.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fastball

1899, in the meaning defined above

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Statistics for fastball

Last Updated

2 Nov 2018

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Time Traveler for fastball

The first known use of fastball was in 1899

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English Language Learners Definition of fastball

baseball : a pitch that is thrown at full speed : a very fast pitch

More from Merriam-Webster on fastball

See words that rhyme with fastball Encyclopedia article about fastball

Comments on fastball

What made you want to look up fastball? Please tell us where you read or heard it (including the quote, if possible).


playful or foolish behavior

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