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

fastballer

ˈfas(t)-ˌbȯ-lər 

noun

Examples of fastball in a Sentence

He struck him out with a fastball.

Recent Examples on the Web

The one key characteristic is an electric fastball from the left-side of the mound. — Kansas City Star, 22 Oct. 2026

Wearing a blue-and-red batting helmet, a warm-up jacket, and military fatigues, the Cuban leader watched as Chávez delivered a fastball that the umpire called strike three. — Encyclopedia Britannica, 20 Oct. 2026

And then Bauers locked him into an 11-pitch battle — the second time in as many games that Bauers worked a Dodgers starter for double-digit pitches — that ended with a fastball over the middle of the plate. — Maddie Lee, Los Angeles Times, 15 Oct. 2026

But Misiorowski’s right arm, which has brought the Brewers to the brink of the World Series, is likely still thousands of high-octane fastballs away from earning him a long-term contract reflective of his value. — Justin Birnbaum, Sportico.com, 14 Oct. 2026

Word History

First Known Use

1883, in the meaning defined above

Phrases Containing fastball

• cut fastball
• split-fingered fastball

Rhymes for fastball

• aldol
• armhole
• atoll
• awol
• backhaul
• banal
• baseball
• befall
• cabal
• catchall
• cecal
• centrale

Kids Definition

fastball

noun

fast·​ball ˈfas(t)-ˌbȯl 

: a baseball pitch thrown at full speed