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

And with a runner on second in the fifth, Bellinger struck out on three pitches, swinging through each, including back-to-back 98-mph fastballs to end the inning. —Peter Sblendorio, New York Daily News, 21 June 2026

That all changed with a runner on in the bottom of the seventh, when Kurtz clobbered a Brent Suter four-seam fastball 437 feet to center, extending the A’s lead. —Jason Burke, Oc Register, 21 June 2026

After Siri singled with one out in the ninth, Neto belted an 0-1 fastball that landed just beyond the fence in left field. —CBS News, 21 June 2026

After Siri singled with one out in the ninth, Neto belted an 0-and-1 fastball that landed just beyond the fence in left field. —Los Angeles Times, 21 June 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