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

Derek Hill hit for Jarred Kelenic and connected on an 0-2 fastball from Adrian Morejon for a game-tying, two-run home run. —Lamond Pope, Chicago Tribune, 4 May 2026

The Royals were down to their final two outs in the top of the ninth inning, with tough closer Andres Munoz pumping high-velocity fastballs on the mound. —Jaylon Thompson may 3, Kansas City Star, 3 May 2026

Gibson then plunked Brandon Marsh on the right elbow with a 91 mph fastball before Stott connected with a drive over the right-field wall. —ABC News, 2 May 2026

Then Sheehan left a high fastball over the plate, and Gorman sent it into the right-field stands for a two-run blast. —Maddie Lee, Los Angeles Times, 2 May 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