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Synonyms

fastball

American  
[fast-bawl, fahst-] / ˈfæstˌbɔl, ˈfɑst- /

noun

Baseball.
  1. a pitch thrown at or near a pitcher's maximum velocity.


fastball British  
/ ˈfɑːstˌbɔːl /

noun

  1. baseball a ball pitched at the pitcher's top speed

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of fastball

First recorded in 1910–15; fast 1 + ball 1

Vocabulary lists containing fastball

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Nathan Soto made it to the sixth inning for Birmingham before closer Aidan Martinez and his 92-mph fastball was summoned from the bullpen.

From Los Angeles Times • May 23, 2026

Nolan Ryan’s fastball, the power of ritual, musical daydreams and more.

From The Wall Street Journal • May 17, 2026

His fastball, Mr. Brown writes, “demanded a reaction in 400 milliseconds.”

From The Wall Street Journal • May 15, 2026

“Let’s just hope he doesn’t slip on any ballroom banana peels, though, if he can dodge a fastball, he can handle a quickstep!”

From Los Angeles Times • May 13, 2026

He likes to start every batter with a fastball.

From "A High Five for Glenn Burke" by Phil Bildner

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