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

But kept coming back to the three-fastball kid from Northeastern University in Boston who has become this kind of pitching star at Yankee Stadium. — Mike Lupica, New York Daily News, 11 Nov. 2026

After displaying his talents — and a 100 mph fastball — as a reliever, the Sox are converting Taylor into a starter. — Lamond Pope, Chicago Tribune, 10 Nov. 2026

But on Saturday, the UCLA head football coach might have to go back to his fastball. — Connor Dullinger, Los Angeles Times, 30 Oct. 2026

Meanwhile, Jacob Misiorowski, the likely NL Cy Young winner, was dealing triple-digit fastballs the Rays couldn’t handle in the bottom frames. — Scott Thompson Outkick, FOXNews.com, 29 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